Home / 113,099,721.54-156,078,241.65-63,542,184.90

Finding the Fourth Proportional to 113,099,721.54, 156,078,241.65 and 63,542,184.90

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Solution

The fourth proportional to 113,099,721.54, 156,078,241.65 and 63,542,184.90 is: 87,688,566.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,099,721.54 : 156,078,241.65 = 63,542,184.90 : x
  2. Step 2: Convert to fraction form
    113,099,721.54/156,078,241.65 = 63,542,184.90/x
  3. Step 3: Cross multiply
    113,099,721.54x = 156,078,241.65 × 63,542,184.90
  4. Step 4: Simplify right side
    113,099,721.54x = 9,917,552,489,791,182
  5. Step 5: Solve for x
    x = 9,917,552,489,791,182/113,099,721.54
  6. Step 6: Final answer
    x = 87,688,566.82

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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.