Home / 269,323,679.17-371,666,509.27-145,564,356.30

Finding the Fourth Proportional to 269,323,679.17, 371,666,509.27 and 145,564,356.30

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Solution

The fourth proportional to 269,323,679.17, 371,666,509.27 and 145,564,356.30 is: 200,878,720.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,323,679.17 : 371,666,509.27 = 145,564,356.30 : x
  2. Step 2: Convert to fraction form
    269,323,679.17/371,666,509.27 = 145,564,356.30/x
  3. Step 3: Cross multiply
    269,323,679.17x = 371,666,509.27 × 145,564,356.30
  4. Step 4: Simplify right side
    269,323,679.17x = 54,101,396,180,155,536
  5. Step 5: Solve for x
    x = 54,101,396,180,155,536/269,323,679.17
  6. Step 6: Final answer
    x = 200,878,720.90

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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.