Home / 155,337,253.97-214,369,955.19-84,777,389.82

Finding the Fourth Proportional to 155,337,253.97, 214,369,955.19 and 84,777,389.82

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Solution

The fourth proportional to 155,337,253.97, 214,369,955.19 and 84,777,389.82 is: 116,995,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,337,253.97 : 214,369,955.19 = 84,777,389.82 : x
  2. Step 2: Convert to fraction form
    155,337,253.97/214,369,955.19 = 84,777,389.82/x
  3. Step 3: Cross multiply
    155,337,253.97x = 214,369,955.19 × 84,777,389.82
  4. Step 4: Simplify right side
    155,337,253.97x = 18,173,725,256,838,560
  5. Step 5: Solve for x
    x = 18,173,725,256,838,560/155,337,253.97
  6. Step 6: Final answer
    x = 116,995,278.29

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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.