Home / 99,642,210.30-149,463,315.45-61,179,003.90

Finding the Fourth Proportional to 99,642,210.30, 149,463,315.45 and 61,179,003.90

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Solution

The fourth proportional to 99,642,210.30, 149,463,315.45 and 61,179,003.90 is: 91,768,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,642,210.30 : 149,463,315.45 = 61,179,003.90 : x
  2. Step 2: Convert to fraction form
    99,642,210.30/149,463,315.45 = 61,179,003.90/x
  3. Step 3: Cross multiply
    99,642,210.30x = 149,463,315.45 × 61,179,003.90
  4. Step 4: Simplify right side
    99,642,210.30x = 9,144,016,758,822,480
  5. Step 5: Solve for x
    x = 9,144,016,758,822,480/99,642,210.30
  6. Step 6: Final answer
    x = 91,768,505.85

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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.