Home / 261,001,112.57-360,190,880.84-143,535,527.36

Finding the Fourth Proportional to 261,001,112.57, 360,190,880.84 and 143,535,527.36

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Solution

The fourth proportional to 261,001,112.57, 360,190,880.84 and 143,535,527.36 is: 198,084,167.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,001,112.57 : 360,190,880.84 = 143,535,527.36 : x
  2. Step 2: Convert to fraction form
    261,001,112.57/360,190,880.84 = 143,535,527.36/x
  3. Step 3: Cross multiply
    261,001,112.57x = 360,190,880.84 × 143,535,527.36
  4. Step 4: Simplify right side
    261,001,112.57x = 51,700,188,031,632,320
  5. Step 5: Solve for x
    x = 51,700,188,031,632,320/261,001,112.57
  6. Step 6: Final answer
    x = 198,084,167.24

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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.