Home / 71,505,298.64-98,679,542.28-40,566,771.92

Finding the Fourth Proportional to 71,505,298.64, 98,679,542.28 and 40,566,771.92

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Solution

The fourth proportional to 71,505,298.64, 98,679,542.28 and 40,566,771.92 is: 55,983,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,505,298.64 : 98,679,542.28 = 40,566,771.92 : x
  2. Step 2: Convert to fraction form
    71,505,298.64/98,679,542.28 = 40,566,771.92/x
  3. Step 3: Cross multiply
    71,505,298.64x = 98,679,542.28 × 40,566,771.92
  4. Step 4: Simplify right side
    71,505,298.64x = 4,003,110,484,842,757
  5. Step 5: Solve for x
    x = 4,003,110,484,842,757/71,505,298.64
  6. Step 6: Final answer
    x = 55,983,410.47

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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.