Home / 99,642,227.10-149,463,340.65-61,179,020.70

Finding the Fourth Proportional to 99,642,227.10, 149,463,340.65 and 61,179,020.70

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Solution

The fourth proportional to 99,642,227.10, 149,463,340.65 and 61,179,020.70 is: 91,768,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642,227.10 : 149,463,340.65 = 61,179,020.70 : x
  2. Step 2: Convert to fraction form
    99,642,227.10/149,463,340.65 = 61,179,020.70/x
  3. Step 3: Cross multiply
    99,642,227.10x = 149,463,340.65 × 61,179,020.70
  4. Step 4: Simplify right side
    99,642,227.10x = 9,144,020,811,517,502
  5. Step 5: Solve for x
    x = 9,144,020,811,517,502/99,642,227.10
  6. Step 6: Final answer
    x = 91,768,531.05

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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.