Home / 186,867,849.60-280,217,793.60-71,814,153.60

Finding the Fourth Proportional to 186,867,849.60, 280,217,793.60 and 71,814,153.60

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Solution

The fourth proportional to 186,867,849.60, 280,217,793.60 and 71,814,153.60 is: 107,688,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,867,849.60 : 280,217,793.60 = 71,814,153.60 : x
  2. Step 2: Convert to fraction form
    186,867,849.60/280,217,793.60 = 71,814,153.60/x
  3. Step 3: Cross multiply
    186,867,849.60x = 280,217,793.60 × 71,814,153.60
  4. Step 4: Simplify right side
    186,867,849.60x = 20,123,603,671,043,496
  5. Step 5: Solve for x
    x = 20,123,603,671,043,496/186,867,849.60
  6. Step 6: Final answer
    x = 107,688,956.20

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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.