Home / 250,012,024.20-345,037,780.55-138,537,831.97

Finding the Fourth Proportional to 250,012,024.20, 345,037,780.55 and 138,537,831.97

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Solution

The fourth proportional to 250,012,024.20, 345,037,780.55 and 138,537,831.97 is: 191,193,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,012,024.20 : 345,037,780.55 = 138,537,831.97 : x
  2. Step 2: Convert to fraction form
    250,012,024.20/345,037,780.55 = 138,537,831.97/x
  3. Step 3: Cross multiply
    250,012,024.20x = 345,037,780.55 × 138,537,831.97
  4. Step 4: Simplify right side
    250,012,024.20x = 47,800,786,065,915,280
  5. Step 5: Solve for x
    x = 47,800,786,065,915,280/250,012,024.20
  6. Step 6: Final answer
    x = 191,193,948.45

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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.