Home / 399,492,072.80-599,238,109.20-112,277,736.80

Finding the Fourth Proportional to 399,492,072.80, 599,238,109.20 and 112,277,736.80

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Solution

The fourth proportional to 399,492,072.80, 599,238,109.20 and 112,277,736.80 is: 168,416,605.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,492,072.80 : 599,238,109.20 = 112,277,736.80 : x
  2. Step 2: Convert to fraction form
    399,492,072.80/599,238,109.20 = 112,277,736.80/x
  3. Step 3: Cross multiply
    399,492,072.80x = 599,238,109.20 × 112,277,736.80
  4. Step 4: Simplify right side
    399,492,072.80x = 67,281,098,705,287,264
  5. Step 5: Solve for x
    x = 67,281,098,705,287,264/399,492,072.80
  6. Step 6: Final answer
    x = 168,416,605.20

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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.