Home / 168,502,877.40-252,754,316.10-82,296,586.20

Finding the Fourth Proportional to 168,502,877.40, 252,754,316.10 and 82,296,586.20

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Solution

The fourth proportional to 168,502,877.40, 252,754,316.10 and 82,296,586.20 is: 123,444,879.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,877.40 : 252,754,316.10 = 82,296,586.20 : x
  2. Step 2: Convert to fraction form
    168,502,877.40/252,754,316.10 = 82,296,586.20/x
  3. Step 3: Cross multiply
    168,502,877.40x = 252,754,316.10 × 82,296,586.20
  4. Step 4: Simplify right side
    168,502,877.40x = 20,800,817,362,345,700
  5. Step 5: Solve for x
    x = 20,800,817,362,345,700/168,502,877.40
  6. Step 6: Final answer
    x = 123,444,879.30

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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.