Home / 181,445,768.20-272,204,081.70-72,252,357.40

Finding the Fourth Proportional to 181,445,768.20, 272,204,081.70 and 72,252,357.40

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Solution

The fourth proportional to 181,445,768.20, 272,204,081.70 and 72,252,357.40 is: 108,392,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,445,768.20 : 272,204,081.70 = 72,252,357.40 : x
  2. Step 2: Convert to fraction form
    181,445,768.20/272,204,081.70 = 72,252,357.40/x
  3. Step 3: Cross multiply
    181,445,768.20x = 272,204,081.70 × 72,252,357.40
  4. Step 4: Simplify right side
    181,445,768.20x = 19,667,386,596,727,200
  5. Step 5: Solve for x
    x = 19,667,386,596,727,200/181,445,768.20
  6. Step 6: Final answer
    x = 108,392,644.21

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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.