Home / 79,945,838.18-119,900,628.36-36,197,716.28

Finding the Fourth Proportional to 79,945,838.18, 119,900,628.36 and 36,197,716.28

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Solution

The fourth proportional to 79,945,838.18, 119,900,628.36 and 36,197,716.28 is: 54,288,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,945,838.18 : 119,900,628.36 = 36,197,716.28 : x
  2. Step 2: Convert to fraction form
    79,945,838.18/119,900,628.36 = 36,197,716.28/x
  3. Step 3: Cross multiply
    79,945,838.18x = 119,900,628.36 × 36,197,716.28
  4. Step 4: Simplify right side
    79,945,838.18x = 4,340,128,927,169,002
  5. Step 5: Solve for x
    x = 4,340,128,927,169,002/79,945,838.18
  6. Step 6: Final answer
    x = 54,288,366.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.