Home / 178,722,065.45-246,656,421-108,196,535.70

Finding the Fourth Proportional to 178,722,065.45, 246,656,421 and 108,196,535.70

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Solution

The fourth proportional to 178,722,065.45, 246,656,421 and 108,196,535.70 is: 149,323,309.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,722,065.45 : 246,656,421 = 108,196,535.70 : x
  2. Step 2: Convert to fraction form
    178,722,065.45/246,656,421 = 108,196,535.70/x
  3. Step 3: Cross multiply
    178,722,065.45x = 246,656,421 × 108,196,535.70
  4. Step 4: Simplify right side
    178,722,065.45x = 26,687,370,260,360,732
  5. Step 5: Solve for x
    x = 26,687,370,260,360,732/178,722,065.45
  6. Step 6: Final answer
    x = 149,323,309.31

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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.