Home / 118,098,619.60-177,147,929.40-72,182,117.20

Finding the Fourth Proportional to 118,098,619.60, 177,147,929.40 and 72,182,117.20

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Solution

The fourth proportional to 118,098,619.60, 177,147,929.40 and 72,182,117.20 is: 108,273,175.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,619.60 : 177,147,929.40 = 72,182,117.20 : x
  2. Step 2: Convert to fraction form
    118,098,619.60/177,147,929.40 = 72,182,117.20/x
  3. Step 3: Cross multiply
    118,098,619.60x = 177,147,929.40 × 72,182,117.20
  4. Step 4: Simplify right side
    118,098,619.60x = 12,786,912,601,688,126
  5. Step 5: Solve for x
    x = 12,786,912,601,688,126/118,098,619.60
  6. Step 6: Final answer
    x = 108,273,175.80

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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.