Home / 261,316,164.79-360,625,823.61-142,233,003.76

Finding the Fourth Proportional to 261,316,164.79, 360,625,823.61 and 142,233,003.76

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Solution

The fourth proportional to 261,316,164.79, 360,625,823.61 and 142,233,003.76 is: 196,286,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,316,164.79 : 360,625,823.61 = 142,233,003.76 : x
  2. Step 2: Convert to fraction form
    261,316,164.79/360,625,823.61 = 142,233,003.76/x
  3. Step 3: Cross multiply
    261,316,164.79x = 360,625,823.61 × 142,233,003.76
  4. Step 4: Simplify right side
    261,316,164.79x = 51,292,894,125,513,008
  5. Step 5: Solve for x
    x = 51,292,894,125,513,008/261,316,164.79
  6. Step 6: Final answer
    x = 196,286,724.81

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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.