Home / 144,815,520.60-217,223,280.90-86,616,826.20

Finding the Fourth Proportional to 144,815,520.60, 217,223,280.90 and 86,616,826.20

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Solution

The fourth proportional to 144,815,520.60, 217,223,280.90 and 86,616,826.20 is: 129,925,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,815,520.60 : 217,223,280.90 = 86,616,826.20 : x
  2. Step 2: Convert to fraction form
    144,815,520.60/217,223,280.90 = 86,616,826.20/x
  3. Step 3: Cross multiply
    144,815,520.60x = 217,223,280.90 × 86,616,826.20
  4. Step 4: Simplify right side
    144,815,520.60x = 18,815,191,168,309,080
  5. Step 5: Solve for x
    x = 18,815,191,168,309,080/144,815,520.60
  6. Step 6: Final answer
    x = 129,925,239.30

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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.