Home / 150,165,232.50-207,228,020.85-81,487,600.50

Finding the Fourth Proportional to 150,165,232.50, 207,228,020.85 and 81,487,600.50

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Solution

The fourth proportional to 150,165,232.50, 207,228,020.85 and 81,487,600.50 is: 112,452,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,165,232.50 : 207,228,020.85 = 81,487,600.50 : x
  2. Step 2: Convert to fraction form
    150,165,232.50/207,228,020.85 = 81,487,600.50/x
  3. Step 3: Cross multiply
    150,165,232.50x = 207,228,020.85 × 81,487,600.50
  4. Step 4: Simplify right side
    150,165,232.50x = 16,886,514,175,430,470
  5. Step 5: Solve for x
    x = 16,886,514,175,430,470/150,165,232.50
  6. Step 6: Final answer
    x = 112,452,888.69

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1.5x scale

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.