Home / 96,755,005.40-145,038,029.70-86,551,338.20

Finding the Fourth Proportional to 96,755,005.40, 145,038,029.70 and 86,551,338.20

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Solution

The fourth proportional to 96,755,005.40, 145,038,029.70 and 86,551,338.20 is: 129,742,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,755,005.40 : 145,038,029.70 = 86,551,338.20 : x
  2. Step 2: Convert to fraction form
    96,755,005.40/145,038,029.70 = 86,551,338.20/x
  3. Step 3: Cross multiply
    96,755,005.40x = 145,038,029.70 × 86,551,338.20
  4. Step 4: Simplify right side
    96,755,005.40x = 12,553,235,560,426,344
  5. Step 5: Solve for x
    x = 12,553,235,560,426,344/96,755,005.40
  6. Step 6: Final answer
    x = 129,742,492.48

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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.