Home / 86,357,376.30-119,169,939.74-47,198,835.12

Finding the Fourth Proportional to 86,357,376.30, 119,169,939.74 and 47,198,835.12

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Solution

The fourth proportional to 86,357,376.30, 119,169,939.74 and 47,198,835.12 is: 65,132,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,357,376.30 : 119,169,939.74 = 47,198,835.12 : x
  2. Step 2: Convert to fraction form
    86,357,376.30/119,169,939.74 = 47,198,835.12/x
  3. Step 3: Cross multiply
    86,357,376.30x = 119,169,939.74 × 47,198,835.12
  4. Step 4: Simplify right side
    86,357,376.30x = 5,624,682,337,048,595
  5. Step 5: Solve for x
    x = 5,624,682,337,048,595/86,357,376.30
  6. Step 6: Final answer
    x = 65,132,621.88

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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.