Home / 142,217,563.32-196,276,188.81-80,341,887.69

Finding the Fourth Proportional to 142,217,563.32, 196,276,188.81 and 80,341,887.69

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Solution

The fourth proportional to 142,217,563.32, 196,276,188.81 and 80,341,887.69 is: 110,880,816.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,217,563.32 : 196,276,188.81 = 80,341,887.69 : x
  2. Step 2: Convert to fraction form
    142,217,563.32/196,276,188.81 = 80,341,887.69/x
  3. Step 3: Cross multiply
    142,217,563.32x = 196,276,188.81 × 80,341,887.69
  4. Step 4: Simplify right side
    142,217,563.32x = 15,769,199,517,594,254
  5. Step 5: Solve for x
    x = 15,769,199,517,594,254/142,217,563.32
  6. Step 6: Final answer
    x = 110,880,816.33

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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.