Home / 79,753,667.20-119,630,500.80-51,032,233.60

Finding the Fourth Proportional to 79,753,667.20, 119,630,500.80 and 51,032,233.60

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Solution

The fourth proportional to 79,753,667.20, 119,630,500.80 and 51,032,233.60 is: 76,548,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,753,667.20 : 119,630,500.80 = 51,032,233.60 : x
  2. Step 2: Convert to fraction form
    79,753,667.20/119,630,500.80 = 51,032,233.60/x
  3. Step 3: Cross multiply
    79,753,667.20x = 119,630,500.80 × 51,032,233.60
  4. Step 4: Simplify right side
    79,753,667.20x = 6,105,011,662,510,587
  5. Step 5: Solve for x
    x = 6,105,011,662,510,587/79,753,667.20
  6. Step 6: Final answer
    x = 76,548,350.40

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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.