Home / 280,454,956.60-420,682,434.90-151,314,793.60

Finding the Fourth Proportional to 280,454,956.60, 420,682,434.90 and 151,314,793.60

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Solution

The fourth proportional to 280,454,956.60, 420,682,434.90 and 151,314,793.60 is: 226,972,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,454,956.60 : 420,682,434.90 = 151,314,793.60 : x
  2. Step 2: Convert to fraction form
    280,454,956.60/420,682,434.90 = 151,314,793.60/x
  3. Step 3: Cross multiply
    280,454,956.60x = 420,682,434.90 × 151,314,793.60
  4. Step 4: Simplify right side
    280,454,956.60x = 63,655,475,808,038,928
  5. Step 5: Solve for x
    x = 63,655,475,808,038,928/280,454,956.60
  6. Step 6: Final answer
    x = 226,972,190.40

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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.