Home / 212,010,228.60-318,036,338.10-73,814,573.40

Finding the Fourth Proportional to 212,010,228.60, 318,036,338.10 and 73,814,573.40

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Solution

The fourth proportional to 212,010,228.60, 318,036,338.10 and 73,814,573.40 is: 110,729,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,010,228.60 : 318,036,338.10 = 73,814,573.40 : x
  2. Step 2: Convert to fraction form
    212,010,228.60/318,036,338.10 = 73,814,573.40/x
  3. Step 3: Cross multiply
    212,010,228.60x = 318,036,338.10 × 73,814,573.40
  4. Step 4: Simplify right side
    212,010,228.60x = 23,475,716,622,549,672
  5. Step 5: Solve for x
    x = 23,475,716,622,549,672/212,010,228.60
  6. Step 6: Final answer
    x = 110,729,169.90

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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.