Home / 56,893,081.15-78,512,452.09-30,787,598.98

Finding the Fourth Proportional to 56,893,081.15, 78,512,452.09 and 30,787,598.98

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Solution

The fourth proportional to 56,893,081.15, 78,512,452.09 and 30,787,598.98 is: 42,486,886.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893,081.15 : 78,512,452.09 = 30,787,598.98 : x
  2. Step 2: Convert to fraction form
    56,893,081.15/78,512,452.09 = 30,787,598.98/x
  3. Step 3: Cross multiply
    56,893,081.15x = 78,512,452.09 × 30,787,598.98
  4. Step 4: Simplify right side
    56,893,081.15x = 2,417,209,889,806,414
  5. Step 5: Solve for x
    x = 2,417,209,889,806,414/56,893,081.15
  6. Step 6: Final answer
    x = 42,486,886.65

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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.