Home / 77,142,495.92-106,449,608.04-45,775,139.60

Finding the Fourth Proportional to 77,142,495.92, 106,449,608.04 and 45,775,139.60

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Solution

The fourth proportional to 77,142,495.92, 106,449,608.04 and 45,775,139.60 is: 63,165,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,142,495.92 : 106,449,608.04 = 45,775,139.60 : x
  2. Step 2: Convert to fraction form
    77,142,495.92/106,449,608.04 = 45,775,139.60/x
  3. Step 3: Cross multiply
    77,142,495.92x = 106,449,608.04 × 45,775,139.60
  4. Step 4: Simplify right side
    77,142,495.92x = 4,872,745,668,396,283
  5. Step 5: Solve for x
    x = 4,872,745,668,396,283/77,142,495.92
  6. Step 6: Final answer
    x = 63,165,517.40

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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.