Home / 140,617,726.74-194,054,015-77,894,785.44

Finding the Fourth Proportional to 140,617,726.74, 194,054,015 and 77,894,785.44

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Solution

The fourth proportional to 140,617,726.74, 194,054,015 and 77,894,785.44 is: 107,495,663.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,726.74 : 194,054,015 = 77,894,785.44 : x
  2. Step 2: Convert to fraction form
    140,617,726.74/194,054,015 = 77,894,785.44/x
  3. Step 3: Cross multiply
    140,617,726.74x = 194,054,015 × 77,894,785.44
  4. Step 4: Simplify right side
    140,617,726.74x = 15,115,795,862,195,542
  5. Step 5: Solve for x
    x = 15,115,795,862,195,542/140,617,726.74
  6. Step 6: Final answer
    x = 107,495,663.69

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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.