Home / 242,979,368.49-335,311,311.29-137,155,059.54

Finding the Fourth Proportional to 242,979,368.49, 335,311,311.29 and 137,155,059.54

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Solution

The fourth proportional to 242,979,368.49, 335,311,311.29 and 137,155,059.54 is: 189,273,859.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,979,368.49 : 335,311,311.29 = 137,155,059.54 : x
  2. Step 2: Convert to fraction form
    242,979,368.49/335,311,311.29 = 137,155,059.54/x
  3. Step 3: Cross multiply
    242,979,368.49x = 335,311,311.29 × 137,155,059.54
  4. Step 4: Simplify right side
    242,979,368.49x = 45,989,642,863,729,648
  5. Step 5: Solve for x
    x = 45,989,642,863,729,648/242,979,368.49
  6. Step 6: Final answer
    x = 189,273,859.54

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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.