Home / 157,005,141.12-216,667,104.48-87,389,028.48

Finding the Fourth Proportional to 157,005,141.12, 216,667,104.48 and 87,389,028.48

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Solution

The fourth proportional to 157,005,141.12, 216,667,104.48 and 87,389,028.48 is: 120,596,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,005,141.12 : 216,667,104.48 = 87,389,028.48 : x
  2. Step 2: Convert to fraction form
    157,005,141.12/216,667,104.48 = 87,389,028.48/x
  3. Step 3: Cross multiply
    157,005,141.12x = 216,667,104.48 × 87,389,028.48
  4. Step 4: Simplify right side
    157,005,141.12x = 18,934,327,764,081,856
  5. Step 5: Solve for x
    x = 18,934,327,764,081,856/157,005,141.12
  6. Step 6: Final answer
    x = 120,596,864.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.