Home / 87,610,445.69-120,917,591.52-52,803,181.58

Finding the Fourth Proportional to 87,610,445.69, 120,917,591.52 and 52,803,181.58

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Solution

The fourth proportional to 87,610,445.69, 120,917,591.52 and 52,803,181.58 is: 72,877,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,610,445.69 : 120,917,591.52 = 52,803,181.58 : x
  2. Step 2: Convert to fraction form
    87,610,445.69/120,917,591.52 = 52,803,181.58/x
  3. Step 3: Cross multiply
    87,610,445.69x = 120,917,591.52 × 52,803,181.58
  4. Step 4: Simplify right side
    87,610,445.69x = 6,384,833,541,246,828
  5. Step 5: Solve for x
    x = 6,384,833,541,246,828/87,610,445.69
  6. Step 6: Final answer
    x = 72,877,537.50

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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.