Home / 66,506,743.90-99,760,115.85-39,296,964.70

Finding the Fourth Proportional to 66,506,743.90, 99,760,115.85 and 39,296,964.70

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Solution

The fourth proportional to 66,506,743.90, 99,760,115.85 and 39,296,964.70 is: 58,945,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,506,743.90 : 99,760,115.85 = 39,296,964.70 : x
  2. Step 2: Convert to fraction form
    66,506,743.90/99,760,115.85 = 39,296,964.70/x
  3. Step 3: Cross multiply
    66,506,743.90x = 99,760,115.85 × 39,296,964.70
  4. Step 4: Simplify right side
    66,506,743.90x = 3,920,269,751,025,360.50
  5. Step 5: Solve for x
    x = 3,920,269,751,025,360.50/66,506,743.90
  6. Step 6: Final answer
    x = 58,945,447.05

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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.