Home / 126,036,422.30-189,054,633.45-82,963,603.10

Finding the Fourth Proportional to 126,036,422.30, 189,054,633.45 and 82,963,603.10

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Solution

The fourth proportional to 126,036,422.30, 189,054,633.45 and 82,963,603.10 is: 124,445,404.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036,422.30 : 189,054,633.45 = 82,963,603.10 : x
  2. Step 2: Convert to fraction form
    126,036,422.30/189,054,633.45 = 82,963,603.10/x
  3. Step 3: Cross multiply
    126,036,422.30x = 189,054,633.45 × 82,963,603.10
  4. Step 4: Simplify right side
    126,036,422.30x = 15,684,653,573,761,782
  5. Step 5: Solve for x
    x = 15,684,653,573,761,782/126,036,422.30
  6. Step 6: Final answer
    x = 124,445,404.65

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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.