Home / 79,680,377.39-109,959,148.50-46,196,363.66

Finding the Fourth Proportional to 79,680,377.39, 109,959,148.50 and 46,196,363.66

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Solution

The fourth proportional to 79,680,377.39, 109,959,148.50 and 46,196,363.66 is: 63,751,113.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,680,377.39 : 109,959,148.50 = 46,196,363.66 : x
  2. Step 2: Convert to fraction form
    79,680,377.39/109,959,148.50 = 46,196,363.66/x
  3. Step 3: Cross multiply
    79,680,377.39x = 109,959,148.50 × 46,196,363.66
  4. Step 4: Simplify right side
    79,680,377.39x = 5,079,712,811,849,943
  5. Step 5: Solve for x
    x = 5,079,712,811,849,943/79,680,377.39
  6. Step 6: Final answer
    x = 63,751,113.87

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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.