Home / 139,639,566.34-192,702,599.27-80,936,281.23

Finding the Fourth Proportional to 139,639,566.34, 192,702,599.27 and 80,936,281.23

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Solution

The fourth proportional to 139,639,566.34, 192,702,599.27 and 80,936,281.23 is: 111,692,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,639,566.34 : 192,702,599.27 = 80,936,281.23 : x
  2. Step 2: Convert to fraction form
    139,639,566.34/192,702,599.27 = 80,936,281.23/x
  3. Step 3: Cross multiply
    139,639,566.34x = 192,702,599.27 × 80,936,281.23
  4. Step 4: Simplify right side
    139,639,566.34x = 15,596,631,766,900,516
  5. Step 5: Solve for x
    x = 15,596,631,766,900,516/139,639,566.34
  6. Step 6: Final answer
    x = 111,692,066.77

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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.