Home / 83,417,254.80-125,125,882.20-80,016,032.40

Finding the Fourth Proportional to 83,417,254.80, 125,125,882.20 and 80,016,032.40

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Solution

The fourth proportional to 83,417,254.80, 125,125,882.20 and 80,016,032.40 is: 120,024,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,417,254.80 : 125,125,882.20 = 80,016,032.40 : x
  2. Step 2: Convert to fraction form
    83,417,254.80/125,125,882.20 = 80,016,032.40/x
  3. Step 3: Cross multiply
    83,417,254.80x = 125,125,882.20 × 80,016,032.40
  4. Step 4: Simplify right side
    83,417,254.80x = 10,012,076,644,193,784
  5. Step 5: Solve for x
    x = 10,012,076,644,193,784/83,417,254.80
  6. Step 6: Final answer
    x = 120,024,048.60

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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.