Home / 139,639,567.34-192,702,600.65-80,936,282.23

Finding the Fourth Proportional to 139,639,567.34, 192,702,600.65 and 80,936,282.23

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Solution

The fourth proportional to 139,639,567.34, 192,702,600.65 and 80,936,282.23 is: 111,692,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,639,567.34 : 192,702,600.65 = 80,936,282.23 : x
  2. Step 2: Convert to fraction form
    139,639,567.34/192,702,600.65 = 80,936,282.23/x
  3. Step 3: Cross multiply
    139,639,567.34x = 192,702,600.65 × 80,936,282.23
  4. Step 4: Simplify right side
    139,639,567.34x = 15,596,632,072,663,382
  5. Step 5: Solve for x
    x = 15,596,632,072,663,382/139,639,567.34
  6. Step 6: Final answer
    x = 111,692,068.16

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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.