Home / 99,680,024.90-149,359,074.15-56,420,581.70

Finding the Fourth Proportional to 99,680,024.90, 149,359,074.15 and 56,420,581.70

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Solution

The fourth proportional to 99,680,024.90, 149,359,074.15 and 56,420,581.70 is: 84,539,764.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,680,024.90 : 149,359,074.15 = 56,420,581.70 : x
  2. Step 2: Convert to fraction form
    99,680,024.90/149,359,074.15 = 56,420,581.70/x
  3. Step 3: Cross multiply
    99,680,024.90x = 149,359,074.15 × 56,420,581.70
  4. Step 4: Simplify right side
    99,680,024.90x = 8,426,925,845,716,434
  5. Step 5: Solve for x
    x = 8,426,925,845,716,434/99,680,024.90
  6. Step 6: Final answer
    x = 84,539,764.65

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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.