Home / 68,944,056.12-95,138,041.50-38,773,064.28

Finding the Fourth Proportional to 68,944,056.12, 95,138,041.50 and 38,773,064.28

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Solution

The fourth proportional to 68,944,056.12, 95,138,041.50 and 38,773,064.28 is: 53,504,154.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,944,056.12 : 95,138,041.50 = 38,773,064.28 : x
  2. Step 2: Convert to fraction form
    68,944,056.12/95,138,041.50 = 38,773,064.28/x
  3. Step 3: Cross multiply
    68,944,056.12x = 95,138,041.50 × 38,773,064.28
  4. Step 4: Simplify right side
    68,944,056.12x = 3,688,793,398,552,807.50
  5. Step 5: Solve for x
    x = 3,688,793,398,552,807.50/68,944,056.12
  6. Step 6: Final answer
    x = 53,504,154.04

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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.