Home / 168,509,167.20-252,763,750.80-137,898,165.60

Finding the Fourth Proportional to 168,509,167.20, 252,763,750.80 and 137,898,165.60

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Solution

The fourth proportional to 168,509,167.20, 252,763,750.80 and 137,898,165.60 is: 206,847,248.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,509,167.20 : 252,763,750.80 = 137,898,165.60 : x
  2. Step 2: Convert to fraction form
    168,509,167.20/252,763,750.80 = 137,898,165.60/x
  3. Step 3: Cross multiply
    168,509,167.20x = 252,763,750.80 × 137,898,165.60
  4. Step 4: Simplify right side
    168,509,167.20x = 34,855,657,565,495,532
  5. Step 5: Solve for x
    x = 34,855,657,565,495,532/168,509,167.20
  6. Step 6: Final answer
    x = 206,847,248.40

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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.