Home / 172,562,710.30-258,844,065.45-153,751,011.10

Finding the Fourth Proportional to 172,562,710.30, 258,844,065.45 and 153,751,011.10

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Solution

The fourth proportional to 172,562,710.30, 258,844,065.45 and 153,751,011.10 is: 230,626,516.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,562,710.30 : 258,844,065.45 = 153,751,011.10 : x
  2. Step 2: Convert to fraction form
    172,562,710.30/258,844,065.45 = 153,751,011.10/x
  3. Step 3: Cross multiply
    172,562,710.30x = 258,844,065.45 × 153,751,011.10
  4. Step 4: Simplify right side
    172,562,710.30x = 39,797,536,780,172,072
  5. Step 5: Solve for x
    x = 39,797,536,780,172,072/172,562,710.30
  6. Step 6: Final answer
    x = 230,626,516.65

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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.