Home / 145,213,335.40-217,820,003.10-144,363,029.80

Finding the Fourth Proportional to 145,213,335.40, 217,820,003.10 and 144,363,029.80

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Solution

The fourth proportional to 145,213,335.40, 217,820,003.10 and 144,363,029.80 is: 216,544,544.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,213,335.40 : 217,820,003.10 = 144,363,029.80 : x
  2. Step 2: Convert to fraction form
    145,213,335.40/217,820,003.10 = 144,363,029.80/x
  3. Step 3: Cross multiply
    145,213,335.40x = 217,820,003.10 × 144,363,029.80
  4. Step 4: Simplify right side
    145,213,335.40x = 31,445,155,598,561,396
  5. Step 5: Solve for x
    x = 31,445,155,598,561,396/145,213,335.40
  6. Step 6: Final answer
    x = 216,544,544.70

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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.