Home / 84,074,230.80-126,111,346.20-70,681,917.60

Finding the Fourth Proportional to 84,074,230.80, 126,111,346.20 and 70,681,917.60

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Solution

The fourth proportional to 84,074,230.80, 126,111,346.20 and 70,681,917.60 is: 106,022,876.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,074,230.80 : 126,111,346.20 = 70,681,917.60 : x
  2. Step 2: Convert to fraction form
    84,074,230.80/126,111,346.20 = 70,681,917.60/x
  3. Step 3: Cross multiply
    84,074,230.80x = 126,111,346.20 × 70,681,917.60
  4. Step 4: Simplify right side
    84,074,230.80x = 8,913,791,780,533,473
  5. Step 5: Solve for x
    x = 8,913,791,780,533,473/84,074,230.80
  6. Step 6: Final answer
    x = 106,022,876.40

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1.5x scale

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.