Home / 86,574,032-119,475,919.68-47,942,864

Finding the Fourth Proportional to 86,574,032, 119,475,919.68 and 47,942,864

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Solution

The fourth proportional to 86,574,032, 119,475,919.68 and 47,942,864 is: 66,163,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,574,032 : 119,475,919.68 = 47,942,864 : x
  2. Step 2: Convert to fraction form
    86,574,032/119,475,919.68 = 47,942,864/x
  3. Step 3: Cross multiply
    86,574,032x = 119,475,919.68 × 47,942,864
  4. Step 4: Simplify right side
    86,574,032x = 5,728,017,768,493,164
  5. Step 5: Solve for x
    x = 5,728,017,768,493,164/86,574,032
  6. Step 6: Final answer
    x = 66,163,232.05

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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.