Home / 99,672,401.40-149,508,602.10-98,328,708.60

Finding the Fourth Proportional to 99,672,401.40, 149,508,602.10 and 98,328,708.60

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Solution

The fourth proportional to 99,672,401.40, 149,508,602.10 and 98,328,708.60 is: 147,493,062.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,672,401.40 : 149,508,602.10 = 98,328,708.60 : x
  2. Step 2: Convert to fraction form
    99,672,401.40/149,508,602.10 = 98,328,708.60/x
  3. Step 3: Cross multiply
    99,672,401.40x = 149,508,602.10 × 98,328,708.60
  4. Step 4: Simplify right side
    99,672,401.40x = 14,700,987,769,084,246
  5. Step 5: Solve for x
    x = 14,700,987,769,084,246/99,672,401.40
  6. Step 6: Final answer
    x = 147,493,062.90

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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.