Home / 72,479,796.03-100,123,001.04-69,788,963.34

Finding the Fourth Proportional to 72,479,796.03, 100,123,001.04 and 69,788,963.34

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Solution

The fourth proportional to 72,479,796.03, 100,123,001.04 and 69,788,963.34 is: 96,405,906.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,479,796.03 : 100,123,001.04 = 69,788,963.34 : x
  2. Step 2: Convert to fraction form
    72,479,796.03/100,123,001.04 = 69,788,963.34/x
  3. Step 3: Cross multiply
    72,479,796.03x = 100,123,001.04 × 69,788,963.34
  4. Step 4: Simplify right side
    72,479,796.03x = 6,987,480,448,989,689
  5. Step 5: Solve for x
    x = 6,987,480,448,989,689/72,479,796.03
  6. Step 6: Final answer
    x = 96,405,906.64

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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.