Home / 213,422,901.52-320,562,889.88-127,329,517.84

Finding the Fourth Proportional to 213,422,901.52, 320,562,889.88 and 127,329,517.84

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Solution

The fourth proportional to 213,422,901.52, 320,562,889.88 and 127,329,517.84 is: 191,249,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,422,901.52 : 320,562,889.88 = 127,329,517.84 : x
  2. Step 2: Convert to fraction form
    213,422,901.52/320,562,889.88 = 127,329,517.84/x
  3. Step 3: Cross multiply
    213,422,901.52x = 320,562,889.88 × 127,329,517.84
  4. Step 4: Simplify right side
    213,422,901.52x = 40,817,118,205,817,416
  5. Step 5: Solve for x
    x = 40,817,118,205,817,416/213,422,901.52
  6. Step 6: Final answer
    x = 191,249,945.13

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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.