Home / 82,521,144.12-113,881,909.19-45,352,741.87

Finding the Fourth Proportional to 82,521,144.12, 113,881,909.19 and 45,352,741.87

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Solution

The fourth proportional to 82,521,144.12, 113,881,909.19 and 45,352,741.87 is: 62,588,284.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,521,144.12 : 113,881,909.19 = 45,352,741.87 : x
  2. Step 2: Convert to fraction form
    82,521,144.12/113,881,909.19 = 45,352,741.87/x
  3. Step 3: Cross multiply
    82,521,144.12x = 113,881,909.19 × 45,352,741.87
  4. Step 4: Simplify right side
    82,521,144.12x = 5,164,856,831,156,850
  5. Step 5: Solve for x
    x = 5,164,856,831,156,850/82,521,144.12
  6. Step 6: Final answer
    x = 62,588,284.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.