Home / 66,429,122.20-99,643,683.30-49,423,010.20

Finding the Fourth Proportional to 66,429,122.20, 99,643,683.30 and 49,423,010.20

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Solution

The fourth proportional to 66,429,122.20, 99,643,683.30 and 49,423,010.20 is: 74,134,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,122.20 : 99,643,683.30 = 49,423,010.20 : x
  2. Step 2: Convert to fraction form
    66,429,122.20/99,643,683.30 = 49,423,010.20/x
  3. Step 3: Cross multiply
    66,429,122.20x = 99,643,683.30 × 49,423,010.20
  4. Step 4: Simplify right side
    66,429,122.20x = 4,924,690,776,101,470
  5. Step 5: Solve for x
    x = 4,924,690,776,101,470/66,429,122.20
  6. Step 6: Final answer
    x = 74,134,515.30

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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.