Home / 108,825,630.12-150,177,894.66-61,782,275.88

Finding the Fourth Proportional to 108,825,630.12, 150,177,894.66 and 61,782,275.88

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Solution

The fourth proportional to 108,825,630.12, 150,177,894.66 and 61,782,275.88 is: 85,258,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,825,630.12 : 150,177,894.66 = 61,782,275.88 : x
  2. Step 2: Convert to fraction form
    108,825,630.12/150,177,894.66 = 61,782,275.88/x
  3. Step 3: Cross multiply
    108,825,630.12x = 150,177,894.66 × 61,782,275.88
  4. Step 4: Simplify right side
    108,825,630.12x = 9,278,332,118,961,698
  5. Step 5: Solve for x
    x = 9,278,332,118,961,698/108,825,630.12
  6. Step 6: Final answer
    x = 85,258,703.38

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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.