Home / 288,336,528.09-432,375,473.61-171,806,796.63

Finding the Fourth Proportional to 288,336,528.09, 432,375,473.61 and 171,806,796.63

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Solution

The fourth proportional to 288,336,528.09, 432,375,473.61 and 171,806,796.63 is: 257,633,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,336,528.09 : 432,375,473.61 = 171,806,796.63 : x
  2. Step 2: Convert to fraction form
    288,336,528.09/432,375,473.61 = 171,806,796.63/x
  3. Step 3: Cross multiply
    288,336,528.09x = 432,375,473.61 × 171,806,796.63
  4. Step 4: Simplify right side
    288,336,528.09x = 74,285,045,062,313,200
  5. Step 5: Solve for x
    x = 74,285,045,062,313,200/288,336,528.09
  6. Step 6: Final answer
    x = 257,633,139.84

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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.