Home / 75,204,441.60-112,806,662.40-49,639,471.20

Finding the Fourth Proportional to 75,204,441.60, 112,806,662.40 and 49,639,471.20

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Solution

The fourth proportional to 75,204,441.60, 112,806,662.40 and 49,639,471.20 is: 74,459,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,204,441.60 : 112,806,662.40 = 49,639,471.20 : x
  2. Step 2: Convert to fraction form
    75,204,441.60/112,806,662.40 = 49,639,471.20/x
  3. Step 3: Cross multiply
    75,204,441.60x = 112,806,662.40 × 49,639,471.20
  4. Step 4: Simplify right side
    75,204,441.60x = 5,599,663,069,372,924
  5. Step 5: Solve for x
    x = 5,599,663,069,372,924/75,204,441.60
  6. Step 6: Final answer
    x = 74,459,206.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.