Home / 56,178,195.40-84,330,278.70-43,455,104.20

Finding the Fourth Proportional to 56,178,195.40, 84,330,278.70 and 43,455,104.20

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Solution

The fourth proportional to 56,178,195.40, 84,330,278.70 and 43,455,104.20 is: 65,231,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178,195.40 : 84,330,278.70 = 43,455,104.20 : x
  2. Step 2: Convert to fraction form
    56,178,195.40/84,330,278.70 = 43,455,104.20/x
  3. Step 3: Cross multiply
    56,178,195.40x = 84,330,278.70 × 43,455,104.20
  4. Step 4: Simplify right side
    56,178,195.40x = 3,664,581,048,123,541
  5. Step 5: Solve for x
    x = 3,664,581,048,123,541/56,178,195.40
  6. Step 6: Final answer
    x = 65,231,377.09

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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.