Home / 80,569,071.84-111,185,335.14-43,899,642.84

Finding the Fourth Proportional to 80,569,071.84, 111,185,335.14 and 43,899,642.84

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Solution

The fourth proportional to 80,569,071.84, 111,185,335.14 and 43,899,642.84 is: 60,581,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,569,071.84 : 111,185,335.14 = 43,899,642.84 : x
  2. Step 2: Convert to fraction form
    80,569,071.84/111,185,335.14 = 43,899,642.84/x
  3. Step 3: Cross multiply
    80,569,071.84x = 111,185,335.14 × 43,899,642.84
  4. Step 4: Simplify right side
    80,569,071.84x = 4,880,996,501,691,702
  5. Step 5: Solve for x
    x = 4,880,996,501,691,702/80,569,071.84
  6. Step 6: Final answer
    x = 60,581,515.84

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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.