Home / 120,553,011.27-166,434,472.89-75,937,228.92

Finding the Fourth Proportional to 120,553,011.27, 166,434,472.89 and 75,937,228.92

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Solution

The fourth proportional to 120,553,011.27, 166,434,472.89 and 75,937,228.92 is: 104,838,299.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,553,011.27 : 166,434,472.89 = 75,937,228.92 : x
  2. Step 2: Convert to fraction form
    120,553,011.27/166,434,472.89 = 75,937,228.92/x
  3. Step 3: Cross multiply
    120,553,011.27x = 166,434,472.89 × 75,937,228.92
  4. Step 4: Simplify right side
    120,553,011.27x = 12,638,572,668,027,464
  5. Step 5: Solve for x
    x = 12,638,572,668,027,464/120,553,011.27
  6. Step 6: Final answer
    x = 104,838,299.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.