Home / 89,709,178.80-123,798,716.40-48,456,071.17

Finding the Fourth Proportional to 89,709,178.80, 123,798,716.40 and 48,456,071.17

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Solution

The fourth proportional to 89,709,178.80, 123,798,716.40 and 48,456,071.17 is: 66,869,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,709,178.80 : 123,798,716.40 = 48,456,071.17 : x
  2. Step 2: Convert to fraction form
    89,709,178.80/123,798,716.40 = 48,456,071.17/x
  3. Step 3: Cross multiply
    89,709,178.80x = 123,798,716.40 × 48,456,071.17
  4. Step 4: Simplify right side
    89,709,178.80x = 5,998,799,412,633,047
  5. Step 5: Solve for x
    x = 5,998,799,412,633,047/89,709,178.80
  6. Step 6: Final answer
    x = 66,869,405.04

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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.