Home / 165,815,512.20-248,345,354.70-97,791,064.20

Finding the Fourth Proportional to 165,815,512.20, 248,345,354.70 and 97,791,064.20

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Solution

The fourth proportional to 165,815,512.20, 248,345,354.70 and 97,791,064.20 is: 146,463,718.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,815,512.20 : 248,345,354.70 = 97,791,064.20 : x
  2. Step 2: Convert to fraction form
    165,815,512.20/248,345,354.70 = 97,791,064.20/x
  3. Step 3: Cross multiply
    165,815,512.20x = 248,345,354.70 × 97,791,064.20
  4. Step 4: Simplify right side
    165,815,512.20x = 24,285,956,525,239,472
  5. Step 5: Solve for x
    x = 24,285,956,525,239,472/165,815,512.20
  6. Step 6: Final answer
    x = 146,463,718.64

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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.