Home / 185,480,005.14-278,240,186.43-68,881,683.69

Finding the Fourth Proportional to 185,480,005.14, 278,240,186.43 and 68,881,683.69

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Solution

The fourth proportional to 185,480,005.14, 278,240,186.43 and 68,881,683.69 is: 103,330,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,480,005.14 : 278,240,186.43 = 68,881,683.69 : x
  2. Step 2: Convert to fraction form
    185,480,005.14/278,240,186.43 = 68,881,683.69/x
  3. Step 3: Cross multiply
    185,480,005.14x = 278,240,186.43 × 68,881,683.69
  4. Step 4: Simplify right side
    185,480,005.14x = 19,165,652,511,517,892
  5. Step 5: Solve for x
    x = 19,165,652,511,517,892/185,480,005.14
  6. Step 6: Final answer
    x = 103,330,019.30

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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.