Home / 126,345,159.90-189,368,440.65-53,561,799.90

Finding the Fourth Proportional to 126,345,159.90, 189,368,440.65 and 53,561,799.90

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Solution

The fourth proportional to 126,345,159.90, 189,368,440.65 and 53,561,799.90 is: 80,279,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,345,159.90 : 189,368,440.65 = 53,561,799.90 : x
  2. Step 2: Convert to fraction form
    126,345,159.90/189,368,440.65 = 53,561,799.90/x
  3. Step 3: Cross multiply
    126,345,159.90x = 189,368,440.65 × 53,561,799.90
  4. Step 4: Simplify right side
    126,345,159.90x = 10,142,914,525,470,326
  5. Step 5: Solve for x
    x = 10,142,914,525,470,326/126,345,159.90
  6. Step 6: Final answer
    x = 80,279,407.09

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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.