Home / 78,833,851.80-108,000,572.79-75,886,427.04

Finding the Fourth Proportional to 78,833,851.80, 108,000,572.79 and 75,886,427.04

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Solution

The fourth proportional to 78,833,851.80, 108,000,572.79 and 75,886,427.04 is: 103,962,668.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,833,851.80 : 108,000,572.79 = 75,886,427.04 : x
  2. Step 2: Convert to fraction form
    78,833,851.80/108,000,572.79 = 75,886,427.04/x
  3. Step 3: Cross multiply
    78,833,851.80x = 108,000,572.79 × 75,886,427.04
  4. Step 4: Simplify right side
    78,833,851.80x = 8,195,777,587,306,545
  5. Step 5: Solve for x
    x = 8,195,777,587,306,545/78,833,851.80
  6. Step 6: Final answer
    x = 103,962,668.32

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.