Home / 171,235,240.65-256,853,359.21-72,841,596.71

Finding the Fourth Proportional to 171,235,240.65, 256,853,359.21 and 72,841,596.71

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Solution

The fourth proportional to 171,235,240.65, 256,853,359.21 and 72,841,596.71 is: 109,262,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,235,240.65 : 256,853,359.21 = 72,841,596.71 : x
  2. Step 2: Convert to fraction form
    171,235,240.65/256,853,359.21 = 72,841,596.71/x
  3. Step 3: Cross multiply
    171,235,240.65x = 256,853,359.21 × 72,841,596.71
  4. Step 4: Simplify right side
    171,235,240.65x = 18,709,608,805,183,584
  5. Step 5: Solve for x
    x = 18,709,608,805,183,584/171,235,240.65
  6. Step 6: Final answer
    x = 109,262,607.01

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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.