Home / 134,868,129.86-186,118,016.94-72,988,468.43

Finding the Fourth Proportional to 134,868,129.86, 186,118,016.94 and 72,988,468.43

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Solution

The fourth proportional to 134,868,129.86, 186,118,016.94 and 72,988,468.43 is: 100,724,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,129.86 : 186,118,016.94 = 72,988,468.43 : x
  2. Step 2: Convert to fraction form
    134,868,129.86/186,118,016.94 = 72,988,468.43/x
  3. Step 3: Cross multiply
    134,868,129.86x = 186,118,016.94 × 72,988,468.43
  4. Step 4: Simplify right side
    134,868,129.86x = 13,584,469,002,748,804
  5. Step 5: Solve for x
    x = 13,584,469,002,748,804/134,868,129.86
  6. Step 6: Final answer
    x = 100,724,085.20

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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.