Home / 75,042,101.13-103,622,729.54-47,211,200.16

Finding the Fourth Proportional to 75,042,101.13, 103,622,729.54 and 47,211,200.16

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Solution

The fourth proportional to 75,042,101.13, 103,622,729.54 and 47,211,200.16 is: 65,192,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042,101.13 : 103,622,729.54 = 47,211,200.16 : x
  2. Step 2: Convert to fraction form
    75,042,101.13/103,622,729.54 = 47,211,200.16/x
  3. Step 3: Cross multiply
    75,042,101.13x = 103,622,729.54 × 47,211,200.16
  4. Step 4: Simplify right side
    75,042,101.13x = 4,892,153,425,438,485
  5. Step 5: Solve for x
    x = 4,892,153,425,438,485/75,042,101.13
  6. Step 6: Final answer
    x = 65,192,116.85

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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.