Home / 157,778,457.80-236,667,687.30-42,763,000.28

Finding the Fourth Proportional to 157,778,457.80, 236,667,687.30 and 42,763,000.28

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Solution

The fourth proportional to 157,778,457.80, 236,667,687.30 and 42,763,000.28 is: 64,144,500.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,778,457.80 : 236,667,687.30 = 42,763,000.28 : x
  2. Step 2: Convert to fraction form
    157,778,457.80/236,667,687.30 = 42,763,000.28/x
  3. Step 3: Cross multiply
    157,778,457.80x = 236,667,687.30 × 42,763,000.28
  4. Step 4: Simplify right side
    157,778,457.80x = 10,120,620,377,093,514
  5. Step 5: Solve for x
    x = 10,120,620,377,093,514/157,778,457.80
  6. Step 6: Final answer
    x = 64,144,500.58

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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.