Home / 199,313,711.40-298,970,567.10-180,181,835.40

Finding the Fourth Proportional to 199,313,711.40, 298,970,567.10 and 180,181,835.40

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Solution

The fourth proportional to 199,313,711.40, 298,970,567.10 and 180,181,835.40 is: 270,272,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,313,711.40 : 298,970,567.10 = 180,181,835.40 : x
  2. Step 2: Convert to fraction form
    199,313,711.40/298,970,567.10 = 180,181,835.40/x
  3. Step 3: Cross multiply
    199,313,711.40x = 298,970,567.10 × 180,181,835.40
  4. Step 4: Simplify right side
    199,313,711.40x = 53,869,065,510,656,864
  5. Step 5: Solve for x
    x = 53,869,065,510,656,864/199,313,711.40
  6. Step 6: Final answer
    x = 270,272,753.10

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1.5x scale

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.