Home / 272,149,259.40-408,383,321.40-99,643,510.80

Finding the Fourth Proportional to 272,149,259.40, 408,383,321.40 and 99,643,510.80

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Solution

The fourth proportional to 272,149,259.40, 408,383,321.40 and 99,643,510.80 is: 149,523,640.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,149,259.40 : 408,383,321.40 = 99,643,510.80 : x
  2. Step 2: Convert to fraction form
    272,149,259.40/408,383,321.40 = 99,643,510.80/x
  3. Step 3: Cross multiply
    272,149,259.40x = 408,383,321.40 × 99,643,510.80
  4. Step 4: Simplify right side
    272,149,259.40x = 40,692,747,896,460,768
  5. Step 5: Solve for x
    x = 40,692,747,896,460,768/272,149,259.40
  6. Step 6: Final answer
    x = 149,523,640.03

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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.