Home / 52,142,426.20-78,213,639.56-27,807,627.96

Finding the Fourth Proportional to 52,142,426.20, 78,213,639.56 and 27,807,627.96

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Solution

The fourth proportional to 52,142,426.20, 78,213,639.56 and 27,807,627.96 is: 41,711,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,142,426.20 : 78,213,639.56 = 27,807,627.96 : x
  2. Step 2: Convert to fraction form
    52,142,426.20/78,213,639.56 = 27,807,627.96/x
  3. Step 3: Cross multiply
    52,142,426.20x = 78,213,639.56 × 27,807,627.96
  4. Step 4: Simplify right side
    52,142,426.20x = 2,174,935,790,282,018.25
  5. Step 5: Solve for x
    x = 2,174,935,790,282,018.25/52,142,426.20
  6. Step 6: Final answer
    x = 41,711,442.08

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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.