Home / 191,630,011.05-287,447,321.62-53,447,204.13

Finding the Fourth Proportional to 191,630,011.05, 287,447,321.62 and 53,447,204.13

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Solution

The fourth proportional to 191,630,011.05, 287,447,321.62 and 53,447,204.13 is: 80,171,449.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,630,011.05 : 287,447,321.62 = 53,447,204.13 : x
  2. Step 2: Convert to fraction form
    191,630,011.05/287,447,321.62 = 53,447,204.13/x
  3. Step 3: Cross multiply
    191,630,011.05x = 287,447,321.62 × 53,447,204.13
  4. Step 4: Simplify right side
    191,630,011.05x = 15,363,255,675,112,286
  5. Step 5: Solve for x
    x = 15,363,255,675,112,286/191,630,011.05
  6. Step 6: Final answer
    x = 80,171,449.09

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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.