Home / 213,233,639.91-294,211,809.86-129,600,310.47

Finding the Fourth Proportional to 213,233,639.91, 294,211,809.86 and 129,600,310.47

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Solution

The fourth proportional to 213,233,639.91, 294,211,809.86 and 129,600,310.47 is: 178,817,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,233,639.91 : 294,211,809.86 = 129,600,310.47 : x
  2. Step 2: Convert to fraction form
    213,233,639.91/294,211,809.86 = 129,600,310.47/x
  3. Step 3: Cross multiply
    213,233,639.91x = 294,211,809.86 × 129,600,310.47
  4. Step 4: Simplify right side
    213,233,639.91x = 38,129,941,901,796,608
  5. Step 5: Solve for x
    x = 38,129,941,901,796,608/213,233,639.91
  6. Step 6: Final answer
    x = 178,817,666.47

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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.