Home / 99,354,908.30-137,109,780.03-55,300,961.72

Finding the Fourth Proportional to 99,354,908.30, 137,109,780.03 and 55,300,961.72

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Solution

The fourth proportional to 99,354,908.30, 137,109,780.03 and 55,300,961.72 is: 76,315,330.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,354,908.30 : 137,109,780.03 = 55,300,961.72 : x
  2. Step 2: Convert to fraction form
    99,354,908.30/137,109,780.03 = 55,300,961.72/x
  3. Step 3: Cross multiply
    99,354,908.30x = 137,109,780.03 × 55,300,961.72
  4. Step 4: Simplify right side
    99,354,908.30x = 7,582,302,696,191,102
  5. Step 5: Solve for x
    x = 7,582,302,696,191,102/99,354,908.30
  6. Step 6: Final answer
    x = 76,315,330.83

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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.