Home / 261,025,578-360,208,103.76-143,550,905.40

Finding the Fourth Proportional to 261,025,578, 360,208,103.76 and 143,550,905.40

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Solution

The fourth proportional to 261,025,578, 360,208,103.76 and 143,550,905.40 is: 198,096,293.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,025,578 : 360,208,103.76 = 143,550,905.40 : x
  2. Step 2: Convert to fraction form
    261,025,578/360,208,103.76 = 143,550,905.40/x
  3. Step 3: Cross multiply
    261,025,578x = 360,208,103.76 × 143,550,905.40
  4. Step 4: Simplify right side
    261,025,578x = 51,708,199,427,165,144
  5. Step 5: Solve for x
    x = 51,708,199,427,165,144/261,025,578
  6. Step 6: Final answer
    x = 198,096,293.18

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1.5x scale

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.