Home / 126,016,688.80-189,025,033.20-74,148,047.20

Finding the Fourth Proportional to 126,016,688.80, 189,025,033.20 and 74,148,047.20

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Solution

The fourth proportional to 126,016,688.80, 189,025,033.20 and 74,148,047.20 is: 111,222,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016,688.80 : 189,025,033.20 = 74,148,047.20 : x
  2. Step 2: Convert to fraction form
    126,016,688.80/189,025,033.20 = 74,148,047.20/x
  3. Step 3: Cross multiply
    126,016,688.80x = 189,025,033.20 × 74,148,047.20
  4. Step 4: Simplify right side
    126,016,688.80x = 14,015,837,083,695,166
  5. Step 5: Solve for x
    x = 14,015,837,083,695,166/126,016,688.80
  6. Step 6: Final answer
    x = 111,222,070.80

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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.