Home / 78,881,626.85-118,322,440.28-44,869,402.85

Finding the Fourth Proportional to 78,881,626.85, 118,322,440.28 and 44,869,402.85

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Solution

The fourth proportional to 78,881,626.85, 118,322,440.28 and 44,869,402.85 is: 67,304,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,881,626.85 : 118,322,440.28 = 44,869,402.85 : x
  2. Step 2: Convert to fraction form
    78,881,626.85/118,322,440.28 = 44,869,402.85/x
  3. Step 3: Cross multiply
    78,881,626.85x = 118,322,440.28 × 44,869,402.85
  4. Step 4: Simplify right side
    78,881,626.85x = 5,309,057,238,894,040
  5. Step 5: Solve for x
    x = 5,309,057,238,894,040/78,881,626.85
  6. Step 6: Final answer
    x = 67,304,104.28

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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.