Home / 82,433,999.10-123,650,998.65-28,586,754.30

Finding the Fourth Proportional to 82,433,999.10, 123,650,998.65 and 28,586,754.30

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Solution

The fourth proportional to 82,433,999.10, 123,650,998.65 and 28,586,754.30 is: 42,880,131.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,433,999.10 : 123,650,998.65 = 28,586,754.30 : x
  2. Step 2: Convert to fraction form
    82,433,999.10/123,650,998.65 = 28,586,754.30/x
  3. Step 3: Cross multiply
    82,433,999.10x = 123,650,998.65 × 28,586,754.30
  4. Step 4: Simplify right side
    82,433,999.10x = 3,534,780,717,357,182
  5. Step 5: Solve for x
    x = 3,534,780,717,357,182/82,433,999.10
  6. Step 6: Final answer
    x = 42,880,131.45

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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.