Home / 127,814,981.40-191,722,472.10-59,664,562.20

Finding the Fourth Proportional to 127,814,981.40, 191,722,472.10 and 59,664,562.20

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Solution

The fourth proportional to 127,814,981.40, 191,722,472.10 and 59,664,562.20 is: 89,496,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,814,981.40 : 191,722,472.10 = 59,664,562.20 : x
  2. Step 2: Convert to fraction form
    127,814,981.40/191,722,472.10 = 59,664,562.20/x
  3. Step 3: Cross multiply
    127,814,981.40x = 191,722,472.10 × 59,664,562.20
  4. Step 4: Simplify right side
    127,814,981.40x = 11,439,037,361,748,214
  5. Step 5: Solve for x
    x = 11,439,037,361,748,214/127,814,981.40
  6. Step 6: Final answer
    x = 89,496,843.30

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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.