Home / 75,234,456-112,757,231.52-40,689,480.96

Finding the Fourth Proportional to 75,234,456, 112,757,231.52 and 40,689,480.96

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Solution

The fourth proportional to 75,234,456, 112,757,231.52 and 40,689,480.96 is: 60,983,138.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,234,456 : 112,757,231.52 = 40,689,480.96 : x
  2. Step 2: Convert to fraction form
    75,234,456/112,757,231.52 = 40,689,480.96/x
  3. Step 3: Cross multiply
    75,234,456x = 112,757,231.52 × 40,689,480.96
  4. Step 4: Simplify right side
    75,234,456x = 4,588,033,225,035,352
  5. Step 5: Solve for x
    x = 4,588,033,225,035,352/75,234,456
  6. Step 6: Final answer
    x = 60,983,138.17

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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.