Home / 71,187,331.60-106,780,997.40-17,334,643.60

Finding the Fourth Proportional to 71,187,331.60, 106,780,997.40 and 17,334,643.60

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Solution

The fourth proportional to 71,187,331.60, 106,780,997.40 and 17,334,643.60 is: 26,001,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,187,331.60 : 106,780,997.40 = 17,334,643.60 : x
  2. Step 2: Convert to fraction form
    71,187,331.60/106,780,997.40 = 17,334,643.60/x
  3. Step 3: Cross multiply
    71,187,331.60x = 106,780,997.40 × 17,334,643.60
  4. Step 4: Simplify right side
    71,187,331.60x = 1,851,010,533,181,527
  5. Step 5: Solve for x
    x = 1,851,010,533,181,527/71,187,331.60
  6. Step 6: Final answer
    x = 26,001,965.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.