Home / 66,429,136.70-99,643,705.05-49,423,024.70

Finding the Fourth Proportional to 66,429,136.70, 99,643,705.05 and 49,423,024.70

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Solution

The fourth proportional to 66,429,136.70, 99,643,705.05 and 49,423,024.70 is: 74,134,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,136.70 : 99,643,705.05 = 49,423,024.70 : x
  2. Step 2: Convert to fraction form
    66,429,136.70/99,643,705.05 = 49,423,024.70/x
  3. Step 3: Cross multiply
    66,429,136.70x = 99,643,705.05 × 49,423,024.70
  4. Step 4: Simplify right side
    66,429,136.70x = 4,924,693,295,885,665
  5. Step 5: Solve for x
    x = 4,924,693,295,885,665/66,429,136.70
  6. Step 6: Final answer
    x = 74,134,537.05

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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.