Home / 127,986,642.35-176,620,309.03-69,248,018.66

Finding the Fourth Proportional to 127,986,642.35, 176,620,309.03 and 69,248,018.66

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Solution

The fourth proportional to 127,986,642.35, 176,620,309.03 and 69,248,018.66 is: 95,561,585.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,986,642.35 : 176,620,309.03 = 69,248,018.66 : x
  2. Step 2: Convert to fraction form
    127,986,642.35/176,620,309.03 = 69,248,018.66/x
  3. Step 3: Cross multiply
    127,986,642.35x = 176,620,309.03 × 69,248,018.66
  4. Step 4: Simplify right side
    127,986,642.35x = 12,230,606,454,258,000
  5. Step 5: Solve for x
    x = 12,230,606,454,258,000/127,986,642.35
  6. Step 6: Final answer
    x = 95,561,585.41

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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.