Home / 156,585,772.80-234,878,659.20-131,643,475.20

Finding the Fourth Proportional to 156,585,772.80, 234,878,659.20 and 131,643,475.20

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Solution

The fourth proportional to 156,585,772.80, 234,878,659.20 and 131,643,475.20 is: 197,465,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,585,772.80 : 234,878,659.20 = 131,643,475.20 : x
  2. Step 2: Convert to fraction form
    156,585,772.80/234,878,659.20 = 131,643,475.20/x
  3. Step 3: Cross multiply
    156,585,772.80x = 234,878,659.20 × 131,643,475.20
  4. Step 4: Simplify right side
    156,585,772.80x = 30,920,242,947,404,452
  5. Step 5: Solve for x
    x = 30,920,242,947,404,452/156,585,772.80
  6. Step 6: Final answer
    x = 197,465,212.80

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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.