Home / 99,656,677.20-149,485,015.80-93,279,385.20

Finding the Fourth Proportional to 99,656,677.20, 149,485,015.80 and 93,279,385.20

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Solution

The fourth proportional to 99,656,677.20, 149,485,015.80 and 93,279,385.20 is: 139,919,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,656,677.20 : 149,485,015.80 = 93,279,385.20 : x
  2. Step 2: Convert to fraction form
    99,656,677.20/149,485,015.80 = 93,279,385.20/x
  3. Step 3: Cross multiply
    99,656,677.20x = 149,485,015.80 × 93,279,385.20
  4. Step 4: Simplify right side
    99,656,677.20x = 13,943,870,370,436,288
  5. Step 5: Solve for x
    x = 13,943,870,370,436,288/99,656,677.20
  6. Step 6: Final answer
    x = 139,919,077.80

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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.