Home / 84,074,226.80-126,111,340.20-70,681,913.60

Finding the Fourth Proportional to 84,074,226.80, 126,111,340.20 and 70,681,913.60

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Solution

The fourth proportional to 84,074,226.80, 126,111,340.20 and 70,681,913.60 is: 106,022,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,074,226.80 : 126,111,340.20 = 70,681,913.60 : x
  2. Step 2: Convert to fraction form
    84,074,226.80/126,111,340.20 = 70,681,913.60/x
  3. Step 3: Cross multiply
    84,074,226.80x = 126,111,340.20 × 70,681,913.60
  4. Step 4: Simplify right side
    84,074,226.80x = 8,913,790,851,996,606
  5. Step 5: Solve for x
    x = 8,913,790,851,996,606/84,074,226.80
  6. Step 6: Final answer
    x = 106,022,870.40

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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.