Home / 387,901,548.44-581,838,150.42-115,265,229.56

Finding the Fourth Proportional to 387,901,548.44, 581,838,150.42 and 115,265,229.56

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Solution

The fourth proportional to 387,901,548.44, 581,838,150.42 and 115,265,229.56 is: 172,893,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,901,548.44 : 581,838,150.42 = 115,265,229.56 : x
  2. Step 2: Convert to fraction form
    387,901,548.44/581,838,150.42 = 115,265,229.56/x
  3. Step 3: Cross multiply
    387,901,548.44x = 581,838,150.42 × 115,265,229.56
  4. Step 4: Simplify right side
    387,901,548.44x = 67,065,707,974,927,104
  5. Step 5: Solve for x
    x = 67,065,707,974,927,104/387,901,548.44
  6. Step 6: Final answer
    x = 172,893,633.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.