Home / 215,476,337.31-323,259,899.58-69,898,531.65

Finding the Fourth Proportional to 215,476,337.31, 323,259,899.58 and 69,898,531.65

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Solution

The fourth proportional to 215,476,337.31, 323,259,899.58 and 69,898,531.65 is: 104,862,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,476,337.31 : 323,259,899.58 = 69,898,531.65 : x
  2. Step 2: Convert to fraction form
    215,476,337.31/323,259,899.58 = 69,898,531.65/x
  3. Step 3: Cross multiply
    215,476,337.31x = 323,259,899.58 × 69,898,531.65
  4. Step 4: Simplify right side
    215,476,337.31x = 22,595,392,320,756,224
  5. Step 5: Solve for x
    x = 22,595,392,320,756,224/215,476,337.31
  6. Step 6: Final answer
    x = 104,862,522.74

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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.