Home / 86,535,000.30-129,802,500.45-29,013,401.10

Finding the Fourth Proportional to 86,535,000.30, 129,802,500.45 and 29,013,401.10

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Solution

The fourth proportional to 86,535,000.30, 129,802,500.45 and 29,013,401.10 is: 43,520,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,535,000.30 : 129,802,500.45 = 29,013,401.10 : x
  2. Step 2: Convert to fraction form
    86,535,000.30/129,802,500.45 = 29,013,401.10/x
  3. Step 3: Cross multiply
    86,535,000.30x = 129,802,500.45 × 29,013,401.10
  4. Step 4: Simplify right side
    86,535,000.30x = 3,766,012,009,338,781
  5. Step 5: Solve for x
    x = 3,766,012,009,338,781/86,535,000.30
  6. Step 6: Final answer
    x = 43,520,101.65

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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.