Home / 100,240,808.85-150,274,272.84-38,787,670.35

Finding the Fourth Proportional to 100,240,808.85, 150,274,272.84 and 38,787,670.35

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Solution

The fourth proportional to 100,240,808.85, 150,274,272.84 and 38,787,670.35 is: 58,147,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,240,808.85 : 150,274,272.84 = 38,787,670.35 : x
  2. Step 2: Convert to fraction form
    100,240,808.85/150,274,272.84 = 38,787,670.35/x
  3. Step 3: Cross multiply
    100,240,808.85x = 150,274,272.84 × 38,787,670.35
  4. Step 4: Simplify right side
    100,240,808.85x = 5,828,788,957,003,879
  5. Step 5: Solve for x
    x = 5,828,788,957,003,879/100,240,808.85
  6. Step 6: Final answer
    x = 58,147,864.37

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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.