Home / 144,853,627.20-217,280,440.80-131,673,890.40

Finding the Fourth Proportional to 144,853,627.20, 217,280,440.80 and 131,673,890.40

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Solution

The fourth proportional to 144,853,627.20, 217,280,440.80 and 131,673,890.40 is: 197,510,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,853,627.20 : 217,280,440.80 = 131,673,890.40 : x
  2. Step 2: Convert to fraction form
    144,853,627.20/217,280,440.80 = 131,673,890.40/x
  3. Step 3: Cross multiply
    144,853,627.20x = 217,280,440.80 × 131,673,890.40
  4. Step 4: Simplify right side
    144,853,627.20x = 28,610,160,947,962,892
  5. Step 5: Solve for x
    x = 28,610,160,947,962,892/144,853,627.20
  6. Step 6: Final answer
    x = 197,510,835.60

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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.