Home / 99,663,104.70-149,494,657.05-58,680,474.30

Finding the Fourth Proportional to 99,663,104.70, 149,494,657.05 and 58,680,474.30

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Solution

The fourth proportional to 99,663,104.70, 149,494,657.05 and 58,680,474.30 is: 88,020,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663,104.70 : 149,494,657.05 = 58,680,474.30 : x
  2. Step 2: Convert to fraction form
    99,663,104.70/149,494,657.05 = 58,680,474.30/x
  3. Step 3: Cross multiply
    99,663,104.70x = 149,494,657.05 × 58,680,474.30
  4. Step 4: Simplify right side
    99,663,104.70x = 8,772,417,381,009,839
  5. Step 5: Solve for x
    x = 8,772,417,381,009,839/99,663,104.70
  6. Step 6: Final answer
    x = 88,020,711.45

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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.