Home / 87,746,807.52-121,216,724.64-70,082,517.60

Finding the Fourth Proportional to 87,746,807.52, 121,216,724.64 and 70,082,517.60

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Solution

The fourth proportional to 87,746,807.52, 121,216,724.64 and 70,082,517.60 is: 96,814,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,746,807.52 : 121,216,724.64 = 70,082,517.60 : x
  2. Step 2: Convert to fraction form
    87,746,807.52/121,216,724.64 = 70,082,517.60/x
  3. Step 3: Cross multiply
    87,746,807.52x = 121,216,724.64 × 70,082,517.60
  4. Step 4: Simplify right side
    87,746,807.52x = 8,495,173,237,997,153
  5. Step 5: Solve for x
    x = 8,495,173,237,997,153/87,746,807.52
  6. Step 6: Final answer
    x = 96,814,613.30

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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.