Home / 134,868,131.55-186,118,019.27-72,988,470.11

Finding the Fourth Proportional to 134,868,131.55, 186,118,019.27 and 72,988,470.11

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Solution

The fourth proportional to 134,868,131.55, 186,118,019.27 and 72,988,470.11 is: 100,724,087.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,868,131.55 : 186,118,019.27 = 72,988,470.11 : x
  2. Step 2: Convert to fraction form
    134,868,131.55/186,118,019.27 = 72,988,470.11/x
  3. Step 3: Cross multiply
    134,868,131.55x = 186,118,019.27 × 72,988,470.11
  4. Step 4: Simplify right side
    134,868,131.55x = 13,584,469,485,125,266
  5. Step 5: Solve for x
    x = 13,584,469,485,125,266/134,868,131.55
  6. Step 6: Final answer
    x = 100,724,087.51

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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.