Home / 140,617,599.74-194,053,839.70-77,894,658.44

Finding the Fourth Proportional to 140,617,599.74, 194,053,839.70 and 77,894,658.44

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Solution

The fourth proportional to 140,617,599.74, 194,053,839.70 and 77,894,658.44 is: 107,495,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,599.74 : 194,053,839.70 = 77,894,658.44 : x
  2. Step 2: Convert to fraction form
    140,617,599.74/194,053,839.70 = 77,894,658.44/x
  3. Step 3: Cross multiply
    140,617,599.74x = 194,053,839.70 × 77,894,658.44
  4. Step 4: Simplify right side
    140,617,599.74x = 15,115,757,562,402,010
  5. Step 5: Solve for x
    x = 15,115,757,562,402,010/140,617,599.74
  6. Step 6: Final answer
    x = 107,495,488.41

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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.