Home / 140,441,544.32-193,809,650.02-77,722,206.10

Finding the Fourth Proportional to 140,441,544.32, 193,809,650.02 and 77,722,206.10

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Solution

The fourth proportional to 140,441,544.32, 193,809,650.02 and 77,722,206.10 is: 107,256,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,441,544.32 : 193,809,650.02 = 77,722,206.10 : x
  2. Step 2: Convert to fraction form
    140,441,544.32/193,809,650.02 = 77,722,206.10/x
  3. Step 3: Cross multiply
    140,441,544.32x = 193,809,650.02 × 77,722,206.10
  4. Step 4: Simplify right side
    140,441,544.32x = 15,063,313,563,023,308
  5. Step 5: Solve for x
    x = 15,063,313,563,023,308/140,441,544.32
  6. Step 6: Final answer
    x = 107,256,820.88

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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.