Home / 255,471,831.66-352,551,282.14-137,997,213.80

Finding the Fourth Proportional to 255,471,831.66, 352,551,282.14 and 137,997,213.80

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Solution

The fourth proportional to 255,471,831.66, 352,551,282.14 and 137,997,213.80 is: 190,436,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,471,831.66 : 352,551,282.14 = 137,997,213.80 : x
  2. Step 2: Convert to fraction form
    255,471,831.66/352,551,282.14 = 137,997,213.80/x
  3. Step 3: Cross multiply
    255,471,831.66x = 352,551,282.14 × 137,997,213.80
  4. Step 4: Simplify right side
    255,471,831.66x = 48,651,094,654,484,952
  5. Step 5: Solve for x
    x = 48,651,094,654,484,952/255,471,831.66
  6. Step 6: Final answer
    x = 190,436,238.46

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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.