Home / 144,374,492,002.40-216,561,738,003.60-138,253,248,276.20

Finding the Fourth Proportional to 144,374,492,002.40, 216,561,738,003.60 and 138,253,248,276.20

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Solution

The fourth proportional to 144,374,492,002.40, 216,561,738,003.60 and 138,253,248,276.20 is: 207,379,872,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,374,492,002.40 : 216,561,738,003.60 = 138,253,248,276.20 : x
  2. Step 2: Convert to fraction form
    144,374,492,002.40/216,561,738,003.60 = 138,253,248,276.20/x
  3. Step 3: Cross multiply
    144,374,492,002.40x = 216,561,738,003.60 × 138,253,248,276.20
  4. Step 4: Simplify right side
    144,374,492,002.40x = 29,940,363,731,337,090,170,880
  5. Step 5: Solve for x
    x = 29,940,363,731,337,090,170,880/144,374,492,002.40
  6. Step 6: Final answer
    x = 207,379,872,414.30

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.