Home / 100,102,450.71-150,098,938.22-79,485,326.95

Finding the Fourth Proportional to 100,102,450.71, 150,098,938.22 and 79,485,326.95

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Solution

The fourth proportional to 100,102,450.71, 150,098,938.22 and 79,485,326.95 is: 119,184,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,102,450.71 : 150,098,938.22 = 79,485,326.95 : x
  2. Step 2: Convert to fraction form
    100,102,450.71/150,098,938.22 = 79,485,326.95/x
  3. Step 3: Cross multiply
    100,102,450.71x = 150,098,938.22 × 79,485,326.95
  4. Step 4: Simplify right side
    100,102,450.71x = 11,930,663,179,264,552
  5. Step 5: Solve for x
    x = 11,930,663,179,264,552/100,102,450.71
  6. Step 6: Final answer
    x = 119,184,526.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.