Home / 140,617,588.61-194,053,824.33-77,894,647.31

Finding the Fourth Proportional to 140,617,588.61, 194,053,824.33 and 77,894,647.31

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Solution

The fourth proportional to 140,617,588.61, 194,053,824.33 and 77,894,647.31 is: 107,495,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,588.61 : 194,053,824.33 = 77,894,647.31 : x
  2. Step 2: Convert to fraction form
    140,617,588.61/194,053,824.33 = 77,894,647.31/x
  3. Step 3: Cross multiply
    140,617,588.61x = 194,053,824.33 × 77,894,647.31
  4. Step 4: Simplify right side
    140,617,588.61x = 15,115,754,205,535,076
  5. Step 5: Solve for x
    x = 15,115,754,205,535,076/140,617,588.61
  6. Step 6: Final answer
    x = 107,495,473.04

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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.