Home / 83,693,954.61-125,541,333.10-25,402,139.12

Finding the Fourth Proportional to 83,693,954.61, 125,541,333.10 and 25,402,139.12

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Solution

The fourth proportional to 83,693,954.61, 125,541,333.10 and 25,402,139.12 is: 38,103,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,693,954.61 : 125,541,333.10 = 25,402,139.12 : x
  2. Step 2: Convert to fraction form
    83,693,954.61/125,541,333.10 = 25,402,139.12/x
  3. Step 3: Cross multiply
    83,693,954.61x = 125,541,333.10 × 25,402,139.12
  4. Step 4: Simplify right side
    83,693,954.61x = 3,189,018,408,968,645.50
  5. Step 5: Solve for x
    x = 3,189,018,408,968,645.50/83,693,954.61
  6. Step 6: Final answer
    x = 38,103,330.45

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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.