Home / 83,799,628.44-115,696,619.10-57,382,189.62

Finding the Fourth Proportional to 83,799,628.44, 115,696,619.10 and 57,382,189.62

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Solution

The fourth proportional to 83,799,628.44, 115,696,619.10 and 57,382,189.62 is: 79,223,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,799,628.44 : 115,696,619.10 = 57,382,189.62 : x
  2. Step 2: Convert to fraction form
    83,799,628.44/115,696,619.10 = 57,382,189.62/x
  3. Step 3: Cross multiply
    83,799,628.44x = 115,696,619.10 × 57,382,189.62
  4. Step 4: Simplify right side
    83,799,628.44x = 6,638,925,335,589,113
  5. Step 5: Solve for x
    x = 6,638,925,335,589,113/83,799,628.44
  6. Step 6: Final answer
    x = 79,223,803.96

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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.