Home / 185,340,130.60-278,142,906.30-77,711,996.20

Finding the Fourth Proportional to 185,340,130.60, 278,142,906.30 and 77,711,996.20

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Solution

The fourth proportional to 185,340,130.60, 278,142,906.30 and 77,711,996.20 is: 116,623,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,340,130.60 : 278,142,906.30 = 77,711,996.20 : x
  2. Step 2: Convert to fraction form
    185,340,130.60/278,142,906.30 = 77,711,996.20/x
  3. Step 3: Cross multiply
    185,340,130.60x = 278,142,906.30 × 77,711,996.20
  4. Step 4: Simplify right side
    185,340,130.60x = 21,615,040,477,442,556
  5. Step 5: Solve for x
    x = 21,615,040,477,442,556/185,340,130.60
  6. Step 6: Final answer
    x = 116,623,638.97

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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.