Home / 156,034,030.47-234,084,588.32-45,371,623.28

Finding the Fourth Proportional to 156,034,030.47, 234,084,588.32 and 45,371,623.28

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Solution

The fourth proportional to 156,034,030.47, 234,084,588.32 and 45,371,623.28 is: 68,067,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,034,030.47 : 234,084,588.32 = 45,371,623.28 : x
  2. Step 2: Convert to fraction form
    156,034,030.47/234,084,588.32 = 45,371,623.28/x
  3. Step 3: Cross multiply
    156,034,030.47x = 234,084,588.32 × 45,371,623.28
  4. Step 4: Simplify right side
    156,034,030.47x = 10,620,797,755,511,646
  5. Step 5: Solve for x
    x = 10,620,797,755,511,646/156,034,030.47
  6. Step 6: Final answer
    x = 68,067,188.44

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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.