Home / 85,045,512-127,586,872.72-27,543,595.76

Finding the Fourth Proportional to 85,045,512, 127,586,872.72 and 27,543,595.76

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Solution

The fourth proportional to 85,045,512, 127,586,872.72 and 27,543,595.76 is: 41,321,419.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,045,512 : 127,586,872.72 = 27,543,595.76 : x
  2. Step 2: Convert to fraction form
    85,045,512/127,586,872.72 = 27,543,595.76/x
  3. Step 3: Cross multiply
    85,045,512x = 127,586,872.72 × 27,543,595.76
  4. Step 4: Simplify right side
    85,045,512x = 3,514,201,246,482,252
  5. Step 5: Solve for x
    x = 3,514,201,246,482,252/85,045,512
  6. Step 6: Final answer
    x = 41,321,419.13

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1.5x scale

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.