Home / 87,643,024.56-120,909,355.76-52,815,924.32

Finding the Fourth Proportional to 87,643,024.56, 120,909,355.76 and 52,815,924.32

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Solution

The fourth proportional to 87,643,024.56, 120,909,355.76 and 52,815,924.32 is: 72,863,064.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,643,024.56 : 120,909,355.76 = 52,815,924.32 : x
  2. Step 2: Convert to fraction form
    87,643,024.56/120,909,355.76 = 52,815,924.32/x
  3. Step 3: Cross multiply
    87,643,024.56x = 120,909,355.76 × 52,815,924.32
  4. Step 4: Simplify right side
    87,643,024.56x = 6,385,939,383,400,116
  5. Step 5: Solve for x
    x = 6,385,939,383,400,116/87,643,024.56
  6. Step 6: Final answer
    x = 72,863,064.86

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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.