Home / 218,900,848.80-328,134,697.20-103,682,877.60

Finding the Fourth Proportional to 218,900,848.80, 328,134,697.20 and 103,682,877.60

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Solution

The fourth proportional to 218,900,848.80, 328,134,697.20 and 103,682,877.60 is: 155,421,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,900,848.80 : 328,134,697.20 = 103,682,877.60 : x
  2. Step 2: Convert to fraction form
    218,900,848.80/328,134,697.20 = 103,682,877.60/x
  3. Step 3: Cross multiply
    218,900,848.80x = 328,134,697.20 × 103,682,877.60
  4. Step 4: Simplify right side
    218,900,848.80x = 34,021,949,646,100,660
  5. Step 5: Solve for x
    x = 34,021,949,646,100,660/218,900,848.80
  6. Step 6: Final answer
    x = 155,421,734.69

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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.