Home / 56,893,098.31-78,512,475.75-30,787,616.14

Finding the Fourth Proportional to 56,893,098.31, 78,512,475.75 and 30,787,616.14

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Solution

The fourth proportional to 56,893,098.31, 78,512,475.75 and 30,787,616.14 is: 42,486,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893,098.31 : 78,512,475.75 = 30,787,616.14 : x
  2. Step 2: Convert to fraction form
    56,893,098.31/78,512,475.75 = 30,787,616.14/x
  3. Step 3: Cross multiply
    56,893,098.31x = 78,512,475.75 × 30,787,616.14
  4. Step 4: Simplify right side
    56,893,098.31x = 2,417,211,965,592,058.50
  5. Step 5: Solve for x
    x = 2,417,211,965,592,058.50/56,893,098.31
  6. Step 6: Final answer
    x = 42,486,910.32

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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.