Home / 86,357,376.29-119,169,939.75-47,198,835.11

Finding the Fourth Proportional to 86,357,376.29, 119,169,939.75 and 47,198,835.11

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Solution

The fourth proportional to 86,357,376.29, 119,169,939.75 and 47,198,835.11 is: 65,132,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,357,376.29 : 119,169,939.75 = 47,198,835.11 : x
  2. Step 2: Convert to fraction form
    86,357,376.29/119,169,939.75 = 47,198,835.11/x
  3. Step 3: Cross multiply
    86,357,376.29x = 119,169,939.75 × 47,198,835.11
  4. Step 4: Simplify right side
    86,357,376.29x = 5,624,682,336,328,885
  5. Step 5: Solve for x
    x = 5,624,682,336,328,885/86,357,376.29
  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.