Home / 168,490,830.60-252,736,245.90-157,153,422.60

Finding the Fourth Proportional to 168,490,830.60, 252,736,245.90 and 157,153,422.60

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Solution

The fourth proportional to 168,490,830.60, 252,736,245.90 and 157,153,422.60 is: 235,730,133.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,490,830.60 : 252,736,245.90 = 157,153,422.60 : x
  2. Step 2: Convert to fraction form
    168,490,830.60/252,736,245.90 = 157,153,422.60/x
  3. Step 3: Cross multiply
    168,490,830.60x = 252,736,245.90 × 157,153,422.60
  4. Step 4: Simplify right side
    168,490,830.60x = 39,718,366,058,260,216
  5. Step 5: Solve for x
    x = 39,718,366,058,260,216/168,490,830.60
  6. Step 6: Final answer
    x = 235,730,133.90

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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.