Home / 83,218,389.60-124,827,973.20-29,365,701.60

Finding the Fourth Proportional to 83,218,389.60, 124,827,973.20 and 29,365,701.60

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Solution

The fourth proportional to 83,218,389.60, 124,827,973.20 and 29,365,701.60 is: 44,048,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,218,389.60 : 124,827,973.20 = 29,365,701.60 : x
  2. Step 2: Convert to fraction form
    83,218,389.60/124,827,973.20 = 29,365,701.60/x
  3. Step 3: Cross multiply
    83,218,389.60x = 124,827,973.20 × 29,365,701.60
  4. Step 4: Simplify right side
    83,218,389.60x = 3,665,661,012,323,997.50
  5. Step 5: Solve for x
    x = 3,665,661,012,323,997.50/83,218,389.60
  6. Step 6: Final answer
    x = 44,048,689.60

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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.