Home / 99,635,363.10-149,453,044.65-61,172,156.70

Finding the Fourth Proportional to 99,635,363.10, 149,453,044.65 and 61,172,156.70

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Solution

The fourth proportional to 99,635,363.10, 149,453,044.65 and 61,172,156.70 is: 91,758,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,635,363.10 : 149,453,044.65 = 61,172,156.70 : x
  2. Step 2: Convert to fraction form
    99,635,363.10/149,453,044.65 = 61,172,156.70/x
  3. Step 3: Cross multiply
    99,635,363.10x = 149,453,044.65 × 61,172,156.70
  4. Step 4: Simplify right side
    99,635,363.10x = 9,142,365,066,621,898
  5. Step 5: Solve for x
    x = 9,142,365,066,621,898/99,635,363.10
  6. Step 6: Final answer
    x = 91,758,235.05

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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.