Home / 342,631,043.40-513,946,565.10-181,387,907.40

Finding the Fourth Proportional to 342,631,043.40, 513,946,565.10 and 181,387,907.40

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Solution

The fourth proportional to 342,631,043.40, 513,946,565.10 and 181,387,907.40 is: 272,081,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,631,043.40 : 513,946,565.10 = 181,387,907.40 : x
  2. Step 2: Convert to fraction form
    342,631,043.40/513,946,565.10 = 181,387,907.40/x
  3. Step 3: Cross multiply
    342,631,043.40x = 513,946,565.10 × 181,387,907.40
  4. Step 4: Simplify right side
    342,631,043.40x = 93,223,691,958,906,880
  5. Step 5: Solve for x
    x = 93,223,691,958,906,880/342,631,043.40
  6. Step 6: Final answer
    x = 272,081,861.10

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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.