Home / 185,480,087.14-278,240,309.43-68,881,765.69

Finding the Fourth Proportional to 185,480,087.14, 278,240,309.43 and 68,881,765.69

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Solution

The fourth proportional to 185,480,087.14, 278,240,309.43 and 68,881,765.69 is: 103,330,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,480,087.14 : 278,240,309.43 = 68,881,765.69 : x
  2. Step 2: Convert to fraction form
    185,480,087.14/278,240,309.43 = 68,881,765.69/x
  3. Step 3: Cross multiply
    185,480,087.14x = 278,240,309.43 × 68,881,765.69
  4. Step 4: Simplify right side
    185,480,087.14x = 19,165,683,799,670,356
  5. Step 5: Solve for x
    x = 19,165,683,799,670,356/185,480,087.14
  6. Step 6: Final answer
    x = 103,330,142.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.