Home / 438,058,693.60-657,045,337.20-114,942,565.60

Finding the Fourth Proportional to 438,058,693.60, 657,045,337.20 and 114,942,565.60

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Solution

The fourth proportional to 438,058,693.60, 657,045,337.20 and 114,942,565.60 is: 172,402,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,058,693.60 : 657,045,337.20 = 114,942,565.60 : x
  2. Step 2: Convert to fraction form
    438,058,693.60/657,045,337.20 = 114,942,565.60/x
  3. Step 3: Cross multiply
    438,058,693.60x = 657,045,337.20 × 114,942,565.60
  4. Step 4: Simplify right side
    438,058,693.60x = 75,522,476,773,285,120
  5. Step 5: Solve for x
    x = 75,522,476,773,285,120/438,058,693.60
  6. Step 6: Final answer
    x = 172,402,643.47

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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.