Home / 104,169,766.78-143,741,065.48-57,114,457.71

Finding the Fourth Proportional to 104,169,766.78, 143,741,065.48 and 57,114,457.71

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Solution

The fourth proportional to 104,169,766.78, 143,741,065.48 and 57,114,457.71 is: 78,810,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,169,766.78 : 143,741,065.48 = 57,114,457.71 : x
  2. Step 2: Convert to fraction form
    104,169,766.78/143,741,065.48 = 57,114,457.71/x
  3. Step 3: Cross multiply
    104,169,766.78x = 143,741,065.48 × 57,114,457.71
  4. Step 4: Simplify right side
    104,169,766.78x = 8,209,693,005,835,020
  5. Step 5: Solve for x
    x = 8,209,693,005,835,020/104,169,766.78
  6. Step 6: Final answer
    x = 78,810,707.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.