Home / 269,431,258.68-371,814,822.18-145,671,640.56

Finding the Fourth Proportional to 269,431,258.68, 371,814,822.18 and 145,671,640.56

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Solution

The fourth proportional to 269,431,258.68, 371,814,822.18 and 145,671,640.56 is: 201,026,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,431,258.68 : 371,814,822.18 = 145,671,640.56 : x
  2. Step 2: Convert to fraction form
    269,431,258.68/371,814,822.18 = 145,671,640.56/x
  3. Step 3: Cross multiply
    269,431,258.68x = 371,814,822.18 × 145,671,640.56
  4. Step 4: Simplify right side
    269,431,258.68x = 54,162,875,131,485,280
  5. Step 5: Solve for x
    x = 54,162,875,131,485,280/269,431,258.68
  6. Step 6: Final answer
    x = 201,026,693.77

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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.