Home / 134,534,389.28-185,657,450.10-72,654,721.88

Finding the Fourth Proportional to 134,534,389.28, 185,657,450.10 and 72,654,721.88

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Solution

The fourth proportional to 134,534,389.28, 185,657,450.10 and 72,654,721.88 is: 100,263,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,534,389.28 : 185,657,450.10 = 72,654,721.88 : x
  2. Step 2: Convert to fraction form
    134,534,389.28/185,657,450.10 = 72,654,721.88/x
  3. Step 3: Cross multiply
    134,534,389.28x = 185,657,450.10 × 72,654,721.88
  4. Step 4: Simplify right side
    134,534,389.28x = 13,488,890,401,965,476
  5. Step 5: Solve for x
    x = 13,488,890,401,965,476/134,534,389.28
  6. Step 6: Final answer
    x = 100,263,512.36

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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.