Home / 212,010,210.60-318,036,311.10-73,814,555.40

Finding the Fourth Proportional to 212,010,210.60, 318,036,311.10 and 73,814,555.40

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Solution

The fourth proportional to 212,010,210.60, 318,036,311.10 and 73,814,555.40 is: 110,729,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,010,210.60 : 318,036,311.10 = 73,814,555.40 : x
  2. Step 2: Convert to fraction form
    212,010,210.60/318,036,311.10 = 73,814,555.40/x
  3. Step 3: Cross multiply
    212,010,210.60x = 318,036,311.10 × 73,814,555.40
  4. Step 4: Simplify right side
    212,010,210.60x = 23,475,708,904,902,588
  5. Step 5: Solve for x
    x = 23,475,708,904,902,588/212,010,210.60
  6. Step 6: Final answer
    x = 110,729,142.90

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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.