Home / 140,617,610.69-194,053,854.70-77,894,669.39

Finding the Fourth Proportional to 140,617,610.69, 194,053,854.70 and 77,894,669.39

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Solution

The fourth proportional to 140,617,610.69, 194,053,854.70 and 77,894,669.39 is: 107,495,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,617,610.69 : 194,053,854.70 = 77,894,669.39 : x
  2. Step 2: Convert to fraction form
    140,617,610.69/194,053,854.70 = 77,894,669.39/x
  3. Step 3: Cross multiply
    140,617,610.69x = 194,053,854.70 × 77,894,669.39
  4. Step 4: Simplify right side
    140,617,610.69x = 15,115,760,854,838,696
  5. Step 5: Solve for x
    x = 15,115,760,854,838,696/140,617,610.69
  6. Step 6: Final answer
    x = 107,495,503.45

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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.