Home / 143,932,185.70-215,898,278.55-118,104,153.10

Finding the Fourth Proportional to 143,932,185.70, 215,898,278.55 and 118,104,153.10

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Solution

The fourth proportional to 143,932,185.70, 215,898,278.55 and 118,104,153.10 is: 177,156,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,932,185.70 : 215,898,278.55 = 118,104,153.10 : x
  2. Step 2: Convert to fraction form
    143,932,185.70/215,898,278.55 = 118,104,153.10/x
  3. Step 3: Cross multiply
    143,932,185.70x = 215,898,278.55 × 118,104,153.10
  4. Step 4: Simplify right side
    143,932,185.70x = 25,498,483,343,895,648
  5. Step 5: Solve for x
    x = 25,498,483,343,895,648/143,932,185.70
  6. Step 6: Final answer
    x = 177,156,229.65

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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.