Home / 218,282,919.40-327,424,379.10-130,984,877.80

Finding the Fourth Proportional to 218,282,919.40, 327,424,379.10 and 130,984,877.80

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Solution

The fourth proportional to 218,282,919.40, 327,424,379.10 and 130,984,877.80 is: 196,477,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,282,919.40 : 327,424,379.10 = 130,984,877.80 : x
  2. Step 2: Convert to fraction form
    218,282,919.40/327,424,379.10 = 130,984,877.80/x
  3. Step 3: Cross multiply
    218,282,919.40x = 327,424,379.10 × 130,984,877.80
  4. Step 4: Simplify right side
    218,282,919.40x = 42,887,642,285,154,376
  5. Step 5: Solve for x
    x = 42,887,642,285,154,376/218,282,919.40
  6. Step 6: Final answer
    x = 196,477,316.70

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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.