Home / 187,148,401.76-258,247,462.47-103,514,732.42

Finding the Fourth Proportional to 187,148,401.76, 258,247,462.47 and 103,514,732.42

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Solution

The fourth proportional to 187,148,401.76, 258,247,462.47 and 103,514,732.42 is: 142,840,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,148,401.76 : 258,247,462.47 = 103,514,732.42 : x
  2. Step 2: Convert to fraction form
    187,148,401.76/258,247,462.47 = 103,514,732.42/x
  3. Step 3: Cross multiply
    187,148,401.76x = 258,247,462.47 × 103,514,732.42
  4. Step 4: Simplify right side
    187,148,401.76x = 26,732,416,975,726,044
  5. Step 5: Solve for x
    x = 26,732,416,975,726,044/187,148,401.76
  6. Step 6: Final answer
    x = 142,840,744.16

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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.