Home / 66,142,466.76-99,207,285.33-20,084,734.65

Finding the Fourth Proportional to 66,142,466.76, 99,207,285.33 and 20,084,734.65

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Solution

The fourth proportional to 66,142,466.76, 99,207,285.33 and 20,084,734.65 is: 30,125,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,142,466.76 : 99,207,285.33 = 20,084,734.65 : x
  2. Step 2: Convert to fraction form
    66,142,466.76/99,207,285.33 = 20,084,734.65/x
  3. Step 3: Cross multiply
    66,142,466.76x = 99,207,285.33 × 20,084,734.65
  4. Step 4: Simplify right side
    66,142,466.76x = 1,992,552,001,199,887.50
  5. Step 5: Solve for x
    x = 1,992,552,001,199,887.50/66,142,466.76
  6. Step 6: Final answer
    x = 30,125,154.06

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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.