Home / 123,790,673.70-185,686,010.55-66,395,045.70

Finding the Fourth Proportional to 123,790,673.70, 185,686,010.55 and 66,395,045.70

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Solution

The fourth proportional to 123,790,673.70, 185,686,010.55 and 66,395,045.70 is: 99,592,568.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,790,673.70 : 185,686,010.55 = 66,395,045.70 : x
  2. Step 2: Convert to fraction form
    123,790,673.70/185,686,010.55 = 66,395,045.70/x
  3. Step 3: Cross multiply
    123,790,673.70x = 185,686,010.55 × 66,395,045.70
  4. Step 4: Simplify right side
    123,790,673.70x = 12,328,631,156,317,934
  5. Step 5: Solve for x
    x = 12,328,631,156,317,934/123,790,673.70
  6. Step 6: Final answer
    x = 99,592,568.55

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Similar ratio
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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.