Home / 83,477,008.80-125,215,513.20-70,084,695.60

Finding the Fourth Proportional to 83,477,008.80, 125,215,513.20 and 70,084,695.60

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Solution

The fourth proportional to 83,477,008.80, 125,215,513.20 and 70,084,695.60 is: 105,127,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,477,008.80 : 125,215,513.20 = 70,084,695.60 : x
  2. Step 2: Convert to fraction form
    83,477,008.80/125,215,513.20 = 70,084,695.60/x
  3. Step 3: Cross multiply
    83,477,008.80x = 125,215,513.20 × 70,084,695.60
  4. Step 4: Simplify right side
    83,477,008.80x = 8,775,691,127,019,781
  5. Step 5: Solve for x
    x = 8,775,691,127,019,781/83,477,008.80
  6. Step 6: Final answer
    x = 105,127,043.40

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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.