Home / 98,496,253.60-147,744,380.40-83,190,752.80

Finding the Fourth Proportional to 98,496,253.60, 147,744,380.40 and 83,190,752.80

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Solution

The fourth proportional to 98,496,253.60, 147,744,380.40 and 83,190,752.80 is: 124,786,129.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,496,253.60 : 147,744,380.40 = 83,190,752.80 : x
  2. Step 2: Convert to fraction form
    98,496,253.60/147,744,380.40 = 83,190,752.80/x
  3. Step 3: Cross multiply
    98,496,253.60x = 147,744,380.40 × 83,190,752.80
  4. Step 4: Simplify right side
    98,496,253.60x = 12,290,966,227,445,566
  5. Step 5: Solve for x
    x = 12,290,966,227,445,566/98,496,253.60
  6. Step 6: Final answer
    x = 124,786,129.20

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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.