Home / 126,366,922.80-189,550,384.20-103,408,671.60

Finding the Fourth Proportional to 126,366,922.80, 189,550,384.20 and 103,408,671.60

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Solution

The fourth proportional to 126,366,922.80, 189,550,384.20 and 103,408,671.60 is: 155,113,007.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,366,922.80 : 189,550,384.20 = 103,408,671.60 : x
  2. Step 2: Convert to fraction form
    126,366,922.80/189,550,384.20 = 103,408,671.60/x
  3. Step 3: Cross multiply
    126,366,922.80x = 189,550,384.20 × 103,408,671.60
  4. Step 4: Simplify right side
    126,366,922.80x = 19,601,153,431,391,628
  5. Step 5: Solve for x
    x = 19,601,153,431,391,628/126,366,922.80
  6. Step 6: Final answer
    x = 155,113,007.40

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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.