Home / 100,357,820.85-150,543,986.89-42,006,813.52

Finding the Fourth Proportional to 100,357,820.85, 150,543,986.89 and 42,006,813.52

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Solution

The fourth proportional to 100,357,820.85, 150,543,986.89 and 42,006,813.52 is: 63,013,257.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,357,820.85 : 150,543,986.89 = 42,006,813.52 : x
  2. Step 2: Convert to fraction form
    100,357,820.85/150,543,986.89 = 42,006,813.52/x
  3. Step 3: Cross multiply
    100,357,820.85x = 150,543,986.89 × 42,006,813.52
  4. Step 4: Simplify right side
    100,357,820.85x = 6,323,873,183,092,834
  5. Step 5: Solve for x
    x = 6,323,873,183,092,834/100,357,820.85
  6. Step 6: Final answer
    x = 63,013,257.26

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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.