Home / 140,703,809.70-194,171,275.82-77,983,956.91

Finding the Fourth Proportional to 140,703,809.70, 194,171,275.82 and 77,983,956.91

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Solution

The fourth proportional to 140,703,809.70, 194,171,275.82 and 77,983,956.91 is: 107,617,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,809.70 : 194,171,275.82 = 77,983,956.91 : x
  2. Step 2: Convert to fraction form
    140,703,809.70/194,171,275.82 = 77,983,956.91/x
  3. Step 3: Cross multiply
    140,703,809.70x = 194,171,275.82 × 77,983,956.91
  4. Step 4: Simplify right side
    140,703,809.70x = 15,142,244,406,706,604
  5. Step 5: Solve for x
    x = 15,142,244,406,706,604/140,703,809.70
  6. Step 6: Final answer
    x = 107,617,870.75

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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.