Home / 86,437,523.52-119,282,380.64-47,278,957.72

Finding the Fourth Proportional to 86,437,523.52, 119,282,380.64 and 47,278,957.72

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Solution

The fourth proportional to 86,437,523.52, 119,282,380.64 and 47,278,957.72 is: 65,244,194.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,437,523.52 : 119,282,380.64 = 47,278,957.72 : x
  2. Step 2: Convert to fraction form
    86,437,523.52/119,282,380.64 = 47,278,957.72/x
  3. Step 3: Cross multiply
    86,437,523.52x = 119,282,380.64 × 47,278,957.72
  4. Step 4: Simplify right side
    86,437,523.52x = 5,639,546,631,019,506
  5. Step 5: Solve for x
    x = 5,639,546,631,019,506/86,437,523.52
  6. Step 6: Final answer
    x = 65,244,194.90

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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.