Home / 233,113,264.92-321,687,872.13-128,689,094.02

Finding the Fourth Proportional to 233,113,264.92, 321,687,872.13 and 128,689,094.02

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Solution

The fourth proportional to 233,113,264.92, 321,687,872.13 and 128,689,094.02 is: 177,586,294.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,113,264.92 : 321,687,872.13 = 128,689,094.02 : x
  2. Step 2: Convert to fraction form
    233,113,264.92/321,687,872.13 = 128,689,094.02/x
  3. Step 3: Cross multiply
    233,113,264.92x = 321,687,872.13 × 128,689,094.02
  4. Step 4: Simplify right side
    233,113,264.92x = 41,397,720,821,631,304
  5. Step 5: Solve for x
    x = 41,397,720,821,631,304/233,113,264.92
  6. Step 6: Final answer
    x = 177,586,294.10

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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.