Home / 56,893,339.52-78,512,806.88-30,787,857.04

Finding the Fourth Proportional to 56,893,339.52, 78,512,806.88 and 30,787,857.04

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Solution

The fourth proportional to 56,893,339.52, 78,512,806.88 and 30,787,857.04 is: 42,487,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893,339.52 : 78,512,806.88 = 30,787,857.04 : x
  2. Step 2: Convert to fraction form
    56,893,339.52/78,512,806.88 = 30,787,857.04/x
  3. Step 3: Cross multiply
    56,893,339.52x = 78,512,806.88 × 30,787,857.04
  4. Step 4: Simplify right side
    56,893,339.52x = 2,417,241,074,030,568
  5. Step 5: Solve for x
    x = 2,417,241,074,030,568/56,893,339.52
  6. Step 6: Final answer
    x = 42,487,241.82

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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.