Home / 201,046,983.92-301,397,756.88-69,872,216.48

Finding the Fourth Proportional to 201,046,983.92, 301,397,756.88 and 69,872,216.48

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Solution

The fourth proportional to 201,046,983.92, 301,397,756.88 and 69,872,216.48 is: 104,748,297.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,046,983.92 : 301,397,756.88 = 69,872,216.48 : x
  2. Step 2: Convert to fraction form
    201,046,983.92/301,397,756.88 = 69,872,216.48/x
  3. Step 3: Cross multiply
    201,046,983.92x = 301,397,756.88 × 69,872,216.48
  4. Step 4: Simplify right side
    201,046,983.92x = 21,059,329,315,305,772
  5. Step 5: Solve for x
    x = 21,059,329,315,305,772/201,046,983.92
  6. Step 6: Final answer
    x = 104,748,297.66

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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.