Home / 78,436,233.28-117,668,714.96-32,352,963.35

Finding the Fourth Proportional to 78,436,233.28, 117,668,714.96 and 32,352,963.35

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Solution

The fourth proportional to 78,436,233.28, 117,668,714.96 and 32,352,963.35 is: 48,535,370.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,436,233.28 : 117,668,714.96 = 32,352,963.35 : x
  2. Step 2: Convert to fraction form
    78,436,233.28/117,668,714.96 = 32,352,963.35/x
  3. Step 3: Cross multiply
    78,436,233.28x = 117,668,714.96 × 32,352,963.35
  4. Step 4: Simplify right side
    78,436,233.28x = 3,806,931,622,917,531
  5. Step 5: Solve for x
    x = 3,806,931,622,917,531/78,436,233.28
  6. Step 6: Final answer
    x = 48,535,370.25

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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.