Home / 172,543,725.56-258,944,129.26-126,604,303.40

Finding the Fourth Proportional to 172,543,725.56, 258,944,129.26 and 126,604,303.40

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Solution

The fourth proportional to 172,543,725.56, 258,944,129.26 and 126,604,303.40 is: 190,000,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,543,725.56 : 258,944,129.26 = 126,604,303.40 : x
  2. Step 2: Convert to fraction form
    172,543,725.56/258,944,129.26 = 126,604,303.40/x
  3. Step 3: Cross multiply
    172,543,725.56x = 258,944,129.26 × 126,604,303.40
  4. Step 4: Simplify right side
    172,543,725.56x = 32,783,441,102,870,624
  5. Step 5: Solve for x
    x = 32,783,441,102,870,624/172,543,725.56
  6. Step 6: Final answer
    x = 190,000,772.25

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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.