Home / 155,337,255.47-214,369,957.26-84,777,391.32

Finding the Fourth Proportional to 155,337,255.47, 214,369,957.26 and 84,777,391.32

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Solution

The fourth proportional to 155,337,255.47, 214,369,957.26 and 84,777,391.32 is: 116,995,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,337,255.47 : 214,369,957.26 = 84,777,391.32 : x
  2. Step 2: Convert to fraction form
    155,337,255.47/214,369,957.26 = 84,777,391.32/x
  3. Step 3: Cross multiply
    155,337,255.47x = 214,369,957.26 × 84,777,391.32
  4. Step 4: Simplify right side
    155,337,255.47x = 18,173,725,753,882,692
  5. Step 5: Solve for x
    x = 18,173,725,753,882,692/155,337,255.47
  6. Step 6: Final answer
    x = 116,995,280.36

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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.