Home / 268,017,577.18-369,873,227.60-148,945,187.86

Finding the Fourth Proportional to 268,017,577.18, 369,873,227.60 and 148,945,187.86

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Solution

The fourth proportional to 268,017,577.18, 369,873,227.60 and 148,945,187.86 is: 205,549,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,017,577.18 : 369,873,227.60 = 148,945,187.86 : x
  2. Step 2: Convert to fraction form
    268,017,577.18/369,873,227.60 = 148,945,187.86/x
  3. Step 3: Cross multiply
    268,017,577.18x = 369,873,227.60 × 148,945,187.86
  4. Step 4: Simplify right side
    268,017,577.18x = 55,090,837,369,564,872
  5. Step 5: Solve for x
    x = 55,090,837,369,564,872/268,017,577.18
  6. Step 6: Final answer
    x = 205,549,344.75

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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.