Home / 361,755,492.72-542,875,127.76-154,542,328.56

Finding the Fourth Proportional to 361,755,492.72, 542,875,127.76 and 154,542,328.56

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Solution

The fourth proportional to 361,755,492.72, 542,875,127.76 and 154,542,328.56 is: 231,916,827.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,755,492.72 : 542,875,127.76 = 154,542,328.56 : x
  2. Step 2: Convert to fraction form
    361,755,492.72/542,875,127.76 = 154,542,328.56/x
  3. Step 3: Cross multiply
    361,755,492.72x = 542,875,127.76 × 154,542,328.56
  4. Step 4: Simplify right side
    361,755,492.72x = 83,897,186,361,337,904
  5. Step 5: Solve for x
    x = 83,897,186,361,337,904/361,755,492.72
  6. Step 6: Final answer
    x = 231,916,827.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.