Home / 87,643,025.56-120,909,357.14-52,815,925.32

Finding the Fourth Proportional to 87,643,025.56, 120,909,357.14 and 52,815,925.32

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Solution

The fourth proportional to 87,643,025.56, 120,909,357.14 and 52,815,925.32 is: 72,863,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,643,025.56 : 120,909,357.14 = 52,815,925.32 : x
  2. Step 2: Convert to fraction form
    87,643,025.56/120,909,357.14 = 52,815,925.32/x
  3. Step 3: Cross multiply
    87,643,025.56x = 120,909,357.14 × 52,815,925.32
  4. Step 4: Simplify right side
    87,643,025.56x = 6,385,939,577,195,449
  5. Step 5: Solve for x
    x = 6,385,939,577,195,449/87,643,025.56
  6. Step 6: Final answer
    x = 72,863,066.24

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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.