Home / 181,392,601.20-272,088,901.80-99,479,828.40

Finding the Fourth Proportional to 181,392,601.20, 272,088,901.80 and 99,479,828.40

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Solution

The fourth proportional to 181,392,601.20, 272,088,901.80 and 99,479,828.40 is: 149,219,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,392,601.20 : 272,088,901.80 = 99,479,828.40 : x
  2. Step 2: Convert to fraction form
    181,392,601.20/272,088,901.80 = 99,479,828.40/x
  3. Step 3: Cross multiply
    181,392,601.20x = 272,088,901.80 × 99,479,828.40
  4. Step 4: Simplify right side
    181,392,601.20x = 27,067,357,260,608,452
  5. Step 5: Solve for x
    x = 27,067,357,260,608,452/181,392,601.20
  6. Step 6: Final answer
    x = 149,219,742.60

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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.