Home / 261,199,282.94-360,444,203.47-142,122,365.27

Finding the Fourth Proportional to 261,199,282.94, 360,444,203.47 and 142,122,365.27

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Solution

The fourth proportional to 261,199,282.94, 360,444,203.47 and 142,122,365.27 is: 196,122,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,199,282.94 : 360,444,203.47 = 142,122,365.27 : x
  2. Step 2: Convert to fraction form
    261,199,282.94/360,444,203.47 = 142,122,365.27/x
  3. Step 3: Cross multiply
    261,199,282.94x = 360,444,203.47 × 142,122,365.27
  4. Step 4: Simplify right side
    261,199,282.94x = 51,227,182,744,744,640
  5. Step 5: Solve for x
    x = 51,227,182,744,744,640/261,199,282.94
  6. Step 6: Final answer
    x = 196,122,983.83

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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.