Home / 106,024,134.20-159,036,201.30-85,868,742.20

Finding the Fourth Proportional to 106,024,134.20, 159,036,201.30 and 85,868,742.20

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Solution

The fourth proportional to 106,024,134.20, 159,036,201.30 and 85,868,742.20 is: 128,803,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,024,134.20 : 159,036,201.30 = 85,868,742.20 : x
  2. Step 2: Convert to fraction form
    106,024,134.20/159,036,201.30 = 85,868,742.20/x
  3. Step 3: Cross multiply
    106,024,134.20x = 159,036,201.30 × 85,868,742.20
  4. Step 4: Simplify right side
    106,024,134.20x = 13,656,238,569,897,006
  5. Step 5: Solve for x
    x = 13,656,238,569,897,006/106,024,134.20
  6. Step 6: Final answer
    x = 128,803,113.30

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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.