Home / 212,010,080.10-318,036,115.35-73,814,424.90

Finding the Fourth Proportional to 212,010,080.10, 318,036,115.35 and 73,814,424.90

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Solution

The fourth proportional to 212,010,080.10, 318,036,115.35 and 73,814,424.90 is: 110,728,947.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,010,080.10 : 318,036,115.35 = 73,814,424.90 : x
  2. Step 2: Convert to fraction form
    212,010,080.10/318,036,115.35 = 73,814,424.90/x
  3. Step 3: Cross multiply
    212,010,080.10x = 318,036,115.35 × 73,814,424.90
  4. Step 4: Simplify right side
    212,010,080.10x = 23,475,652,951,990,316
  5. Step 5: Solve for x
    x = 23,475,652,951,990,316/212,010,080.10
  6. Step 6: Final answer
    x = 110,728,947.14

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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.