Home / 78,365,219.60-117,549,002.04-29,845,753.04

Finding the Fourth Proportional to 78,365,219.60, 117,549,002.04 and 29,845,753.04

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Solution

The fourth proportional to 78,365,219.60, 117,549,002.04 and 29,845,753.04 is: 44,769,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,365,219.60 : 117,549,002.04 = 29,845,753.04 : x
  2. Step 2: Convert to fraction form
    78,365,219.60/117,549,002.04 = 29,845,753.04/x
  3. Step 3: Cross multiply
    78,365,219.60x = 117,549,002.04 × 29,845,753.04
  4. Step 4: Simplify right side
    78,365,219.60x = 3,508,338,484,984,296.50
  5. Step 5: Solve for x
    x = 3,508,338,484,984,296.50/78,365,219.60
  6. Step 6: Final answer
    x = 44,769,076.17

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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.