Home / 75,101,645.88-103,622,506.20-42,506,597.88

Finding the Fourth Proportional to 75,101,645.88, 103,622,506.20 and 42,506,597.88

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Solution

The fourth proportional to 75,101,645.88, 103,622,506.20 and 42,506,597.88 is: 58,649,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101,645.88 : 103,622,506.20 = 42,506,597.88 : x
  2. Step 2: Convert to fraction form
    75,101,645.88/103,622,506.20 = 42,506,597.88/x
  3. Step 3: Cross multiply
    75,101,645.88x = 103,622,506.20 × 42,506,597.88
  4. Step 4: Simplify right side
    75,101,645.88x = 4,404,640,202,361,207.50
  5. Step 5: Solve for x
    x = 4,404,640,202,361,207.50/75,101,645.88
  6. Step 6: Final answer
    x = 58,649,050.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.