Home / 87,442,392.64-120,681,141.12-50,772,963.52

Finding the Fourth Proportional to 87,442,392.64, 120,681,141.12 and 50,772,963.52

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Solution

The fourth proportional to 87,442,392.64, 120,681,141.12 and 50,772,963.52 is: 70,072,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,442,392.64 : 120,681,141.12 = 50,772,963.52 : x
  2. Step 2: Convert to fraction form
    87,442,392.64/120,681,141.12 = 50,772,963.52/x
  3. Step 3: Cross multiply
    87,442,392.64x = 120,681,141.12 × 50,772,963.52
  4. Step 4: Simplify right side
    87,442,392.64x = 6,127,339,175,637,733
  5. Step 5: Solve for x
    x = 6,127,339,175,637,733/87,442,392.64
  6. Step 6: Final answer
    x = 70,072,867.30

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.