Home / 99,757,228.80-149,337,244.80-89,007,686.40

Finding the Fourth Proportional to 99,757,228.80, 149,337,244.80 and 89,007,686.40

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Solution

The fourth proportional to 99,757,228.80, 149,337,244.80 and 89,007,686.40 is: 133,245,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,757,228.80 : 149,337,244.80 = 89,007,686.40 : x
  2. Step 2: Convert to fraction form
    99,757,228.80/149,337,244.80 = 89,007,686.40/x
  3. Step 3: Cross multiply
    99,757,228.80x = 149,337,244.80 × 89,007,686.40
  4. Step 4: Simplify right side
    99,757,228.80x = 13,292,162,652,998,432
  5. Step 5: Solve for x
    x = 13,292,162,652,998,432/99,757,228.80
  6. Step 6: Final answer
    x = 133,245,107.28

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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.