Home / 57,097,058.76-78,793,994.16-30,991,597.92

Finding the Fourth Proportional to 57,097,058.76, 78,793,994.16 and 30,991,597.92

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Solution

The fourth proportional to 57,097,058.76, 78,793,994.16 and 30,991,597.92 is: 42,768,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,097,058.76 : 78,793,994.16 = 30,991,597.92 : x
  2. Step 2: Convert to fraction form
    57,097,058.76/78,793,994.16 = 30,991,597.92/x
  3. Step 3: Cross multiply
    57,097,058.76x = 78,793,994.16 × 30,991,597.92
  4. Step 4: Simplify right side
    57,097,058.76x = 2,441,951,785,517,548
  5. Step 5: Solve for x
    x = 2,441,951,785,517,548/57,097,058.76
  6. Step 6: Final answer
    x = 42,768,433.94

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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.