Home / 139,617,084-192,665,358.20-80,035,666.34

Finding the Fourth Proportional to 139,617,084, 192,665,358.20 and 80,035,666.34

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Solution

The fourth proportional to 139,617,084, 192,665,358.20 and 80,035,666.34 is: 110,445,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,617,084 : 192,665,358.20 = 80,035,666.34 : x
  2. Step 2: Convert to fraction form
    139,617,084/192,665,358.20 = 80,035,666.34/x
  3. Step 3: Cross multiply
    139,617,084x = 192,665,358.20 × 80,035,666.34
  4. Step 4: Simplify right side
    139,617,084x = 15,420,100,322,808,276
  5. Step 5: Solve for x
    x = 15,420,100,322,808,276/139,617,084
  6. Step 6: Final answer
    x = 110,445,655.22

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1.5x scale

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.