Home / 155,520,830.40-233,281,245.60-115,210,046.40

Finding the Fourth Proportional to 155,520,830.40, 233,281,245.60 and 115,210,046.40

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Solution

The fourth proportional to 155,520,830.40, 233,281,245.60 and 115,210,046.40 is: 172,815,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,520,830.40 : 233,281,245.60 = 115,210,046.40 : x
  2. Step 2: Convert to fraction form
    155,520,830.40/233,281,245.60 = 115,210,046.40/x
  3. Step 3: Cross multiply
    155,520,830.40x = 233,281,245.60 × 115,210,046.40
  4. Step 4: Simplify right side
    155,520,830.40x = 26,876,343,129,825,796
  5. Step 5: Solve for x
    x = 26,876,343,129,825,796/155,520,830.40
  6. Step 6: Final answer
    x = 172,815,069.60

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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.