Home / 84,248,522.20-126,372,783.30-68,943,021.40

Finding the Fourth Proportional to 84,248,522.20, 126,372,783.30 and 68,943,021.40

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Solution

The fourth proportional to 84,248,522.20, 126,372,783.30 and 68,943,021.40 is: 103,414,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,248,522.20 : 126,372,783.30 = 68,943,021.40 : x
  2. Step 2: Convert to fraction form
    84,248,522.20/126,372,783.30 = 68,943,021.40/x
  3. Step 3: Cross multiply
    84,248,522.20x = 126,372,783.30 × 68,943,021.40
  4. Step 4: Simplify right side
    84,248,522.20x = 8,712,521,503,429,463
  5. Step 5: Solve for x
    x = 8,712,521,503,429,463/84,248,522.20
  6. Step 6: Final answer
    x = 103,414,532.10

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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.