Home / 185,867,928.60-278,801,892.90-89,012,806.35

Finding the Fourth Proportional to 185,867,928.60, 278,801,892.90 and 89,012,806.35

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Solution

The fourth proportional to 185,867,928.60, 278,801,892.90 and 89,012,806.35 is: 133,519,209.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,867,928.60 : 278,801,892.90 = 89,012,806.35 : x
  2. Step 2: Convert to fraction form
    185,867,928.60/278,801,892.90 = 89,012,806.35/x
  3. Step 3: Cross multiply
    185,867,928.60x = 278,801,892.90 × 89,012,806.35
  4. Step 4: Simplify right side
    185,867,928.60x = 24,816,938,902,721,136
  5. Step 5: Solve for x
    x = 24,816,938,902,721,136/185,867,928.60
  6. Step 6: Final answer
    x = 133,519,209.53

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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.