Home / 87,142,709.70-130,714,064.55-41,793,077.70

Finding the Fourth Proportional to 87,142,709.70, 130,714,064.55 and 41,793,077.70

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Solution

The fourth proportional to 87,142,709.70, 130,714,064.55 and 41,793,077.70 is: 62,689,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,142,709.70 : 130,714,064.55 = 41,793,077.70 : x
  2. Step 2: Convert to fraction form
    87,142,709.70/130,714,064.55 = 41,793,077.70/x
  3. Step 3: Cross multiply
    87,142,709.70x = 130,714,064.55 × 41,793,077.70
  4. Step 4: Simplify right side
    87,142,709.70x = 5,462,943,056,220,966
  5. Step 5: Solve for x
    x = 5,462,943,056,220,966/87,142,709.70
  6. Step 6: Final answer
    x = 62,689,616.55

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Similar ratio
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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.