Home / 298,959,342.10-448,439,013.15-137,716,206.10

Finding the Fourth Proportional to 298,959,342.10, 448,439,013.15 and 137,716,206.10

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Solution

The fourth proportional to 298,959,342.10, 448,439,013.15 and 137,716,206.10 is: 206,574,309.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,959,342.10 : 448,439,013.15 = 137,716,206.10 : x
  2. Step 2: Convert to fraction form
    298,959,342.10/448,439,013.15 = 137,716,206.10/x
  3. Step 3: Cross multiply
    298,959,342.10x = 448,439,013.15 × 137,716,206.10
  4. Step 4: Simplify right side
    298,959,342.10x = 61,757,319,558,246,008
  5. Step 5: Solve for x
    x = 61,757,319,558,246,008/298,959,342.10
  6. Step 6: Final answer
    x = 206,574,309.15

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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.