Home / 143,930,123.94-215,895,010.80-46,885,673.10

Finding the Fourth Proportional to 143,930,123.94, 215,895,010.80 and 46,885,673.10

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Solution

The fourth proportional to 143,930,123.94, 215,895,010.80 and 46,885,673.10 is: 70,328,452.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,930,123.94 : 215,895,010.80 = 46,885,673.10 : x
  2. Step 2: Convert to fraction form
    143,930,123.94/215,895,010.80 = 46,885,673.10/x
  3. Step 3: Cross multiply
    143,930,123.94x = 215,895,010.80 × 46,885,673.10
  4. Step 4: Simplify right side
    143,930,123.94x = 10,122,382,900,289,770
  5. Step 5: Solve for x
    x = 10,122,382,900,289,770/143,930,123.94
  6. Step 6: Final answer
    x = 70,328,452.61

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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.