Home / 139,639,294.94-192,702,225.29-80,936,010.23

Finding the Fourth Proportional to 139,639,294.94, 192,702,225.29 and 80,936,010.23

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Solution

The fourth proportional to 139,639,294.94, 192,702,225.29 and 80,936,010.23 is: 111,691,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,639,294.94 : 192,702,225.29 = 80,936,010.23 : x
  2. Step 2: Convert to fraction form
    139,639,294.94/192,702,225.29 = 80,936,010.23/x
  3. Step 3: Cross multiply
    139,639,294.94x = 192,702,225.29 × 80,936,010.23
  4. Step 4: Simplify right side
    139,639,294.94x = 15,596,549,276,047,012
  5. Step 5: Solve for x
    x = 15,596,549,276,047,012/139,639,294.94
  6. Step 6: Final answer
    x = 111,691,693.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.