Home / 154,146,637.29-212,726,542.22-87,175,610.19

Finding the Fourth Proportional to 154,146,637.29, 212,726,542.22 and 87,175,610.19

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Solution

The fourth proportional to 154,146,637.29, 212,726,542.22 and 87,175,610.19 is: 120,304,707.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,146,637.29 : 212,726,542.22 = 87,175,610.19 : x
  2. Step 2: Convert to fraction form
    154,146,637.29/212,726,542.22 = 87,175,610.19/x
  3. Step 3: Cross multiply
    154,146,637.29x = 212,726,542.22 × 87,175,610.19
  4. Step 4: Simplify right side
    154,146,637.29x = 18,544,566,121,201,420
  5. Step 5: Solve for x
    x = 18,544,566,121,201,420/154,146,637.29
  6. Step 6: Final answer
    x = 120,304,707.56

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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.