Home / 158,644,407.06-218,777,134.95-102,071,412.36

Finding the Fourth Proportional to 158,644,407.06, 218,777,134.95 and 102,071,412.36

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Solution

The fourth proportional to 158,644,407.06, 218,777,134.95 and 102,071,412.36 is: 140,760,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,644,407.06 : 218,777,134.95 = 102,071,412.36 : x
  2. Step 2: Convert to fraction form
    158,644,407.06/218,777,134.95 = 102,071,412.36/x
  3. Step 3: Cross multiply
    158,644,407.06x = 218,777,134.95 × 102,071,412.36
  4. Step 4: Simplify right side
    158,644,407.06x = 22,330,891,156,420,816
  5. Step 5: Solve for x
    x = 22,330,891,156,420,816/158,644,407.06
  6. Step 6: Final answer
    x = 140,760,658.19

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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.