Home / 75,042,100.13-103,622,728.16-47,211,199.16

Finding the Fourth Proportional to 75,042,100.13, 103,622,728.16 and 47,211,199.16

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Solution

The fourth proportional to 75,042,100.13, 103,622,728.16 and 47,211,199.16 is: 65,192,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,042,100.13 : 103,622,728.16 = 47,211,199.16 : x
  2. Step 2: Convert to fraction form
    75,042,100.13/103,622,728.16 = 47,211,199.16/x
  3. Step 3: Cross multiply
    75,042,100.13x = 103,622,728.16 × 47,211,199.16
  4. Step 4: Simplify right side
    75,042,100.13x = 4,892,153,256,664,300
  5. Step 5: Solve for x
    x = 4,892,153,256,664,300/75,042,100.13
  6. Step 6: Final answer
    x = 65,192,115.47

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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.