Home / 266,112,032.70-399,168,049.05-84,358,919.10

Finding the Fourth Proportional to 266,112,032.70, 399,168,049.05 and 84,358,919.10

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Solution

The fourth proportional to 266,112,032.70, 399,168,049.05 and 84,358,919.10 is: 126,538,378.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,112,032.70 : 399,168,049.05 = 84,358,919.10 : x
  2. Step 2: Convert to fraction form
    266,112,032.70/399,168,049.05 = 84,358,919.10/x
  3. Step 3: Cross multiply
    266,112,032.70x = 399,168,049.05 × 84,358,919.10
  4. Step 4: Simplify right side
    266,112,032.70x = 33,673,385,157,113,780
  5. Step 5: Solve for x
    x = 33,673,385,157,113,780/266,112,032.70
  6. Step 6: Final answer
    x = 126,538,378.65

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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.