Home / 143,827,666.92-215,895,028.86-61,986,934.44

Finding the Fourth Proportional to 143,827,666.92, 215,895,028.86 and 61,986,934.44

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Solution

The fourth proportional to 143,827,666.92, 215,895,028.86 and 61,986,934.44 is: 93,046,569.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827,666.92 : 215,895,028.86 = 61,986,934.44 : x
  2. Step 2: Convert to fraction form
    143,827,666.92/215,895,028.86 = 61,986,934.44/x
  3. Step 3: Cross multiply
    143,827,666.92x = 215,895,028.86 × 61,986,934.44
  4. Step 4: Simplify right side
    143,827,666.92x = 13,382,670,999,866,728
  5. Step 5: Solve for x
    x = 13,382,670,999,866,728/143,827,666.92
  6. Step 6: Final answer
    x = 93,046,569.46

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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.