Home / 118,011,123.20-177,016,684.80-72,094,620.80

Finding the Fourth Proportional to 118,011,123.20, 177,016,684.80 and 72,094,620.80

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Solution

The fourth proportional to 118,011,123.20, 177,016,684.80 and 72,094,620.80 is: 108,141,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,011,123.20 : 177,016,684.80 = 72,094,620.80 : x
  2. Step 2: Convert to fraction form
    118,011,123.20/177,016,684.80 = 72,094,620.80/x
  3. Step 3: Cross multiply
    118,011,123.20x = 177,016,684.80 × 72,094,620.80
  4. Step 4: Simplify right side
    118,011,123.20x = 12,761,950,765,929,124
  5. Step 5: Solve for x
    x = 12,761,950,765,929,124/118,011,123.20
  6. Step 6: Final answer
    x = 108,141,931.20

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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.