Home / 83,799,895.20-115,696,987.76-57,382,456.92

Finding the Fourth Proportional to 83,799,895.20, 115,696,987.76 and 57,382,456.92

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Solution

The fourth proportional to 83,799,895.20, 115,696,987.76 and 57,382,456.92 is: 79,224,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,799,895.20 : 115,696,987.76 = 57,382,456.92 : x
  2. Step 2: Convert to fraction form
    83,799,895.20/115,696,987.76 = 57,382,456.92/x
  3. Step 3: Cross multiply
    83,799,895.20x = 115,696,987.76 × 57,382,456.92
  4. Step 4: Simplify right side
    83,799,895.20x = 6,638,977,415,911,968
  5. Step 5: Solve for x
    x = 6,638,977,415,911,968/83,799,895.20
  6. Step 6: Final answer
    x = 79,224,173.25

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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.