Home / 69,201,139.10-103,801,708.65-40,432,466.30

Finding the Fourth Proportional to 69,201,139.10, 103,801,708.65 and 40,432,466.30

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Solution

The fourth proportional to 69,201,139.10, 103,801,708.65 and 40,432,466.30 is: 60,648,699.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,201,139.10 : 103,801,708.65 = 40,432,466.30 : x
  2. Step 2: Convert to fraction form
    69,201,139.10/103,801,708.65 = 40,432,466.30/x
  3. Step 3: Cross multiply
    69,201,139.10x = 103,801,708.65 × 40,432,466.30
  4. Step 4: Simplify right side
    69,201,139.10x = 4,196,959,086,873,543.50
  5. Step 5: Solve for x
    x = 4,196,959,086,873,543.50/69,201,139.10
  6. Step 6: Final answer
    x = 60,648,699.45

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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.