Home / 157,005,281.26-216,667,298.55-87,389,168.14

Finding the Fourth Proportional to 157,005,281.26, 216,667,298.55 and 87,389,168.14

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Solution

The fourth proportional to 157,005,281.26, 216,667,298.55 and 87,389,168.14 is: 120,597,057.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,005,281.26 : 216,667,298.55 = 87,389,168.14 : x
  2. Step 2: Convert to fraction form
    157,005,281.26/216,667,298.55 = 87,389,168.14/x
  3. Step 3: Cross multiply
    157,005,281.26x = 216,667,298.55 × 87,389,168.14
  4. Step 4: Simplify right side
    157,005,281.26x = 18,934,374,983,425,528
  5. Step 5: Solve for x
    x = 18,934,374,983,425,528/157,005,281.26
  6. Step 6: Final answer
    x = 120,597,057.83

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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.