Home / 218,454,199.37-301,454,695.90-119,315,207.69

Finding the Fourth Proportional to 218,454,199.37, 301,454,695.90 and 119,315,207.69

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Solution

The fourth proportional to 218,454,199.37, 301,454,695.90 and 119,315,207.69 is: 164,648,378.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,454,199.37 : 301,454,695.90 = 119,315,207.69 : x
  2. Step 2: Convert to fraction form
    218,454,199.37/301,454,695.90 = 119,315,207.69/x
  3. Step 3: Cross multiply
    218,454,199.37x = 301,454,695.90 × 119,315,207.69
  4. Step 4: Simplify right side
    218,454,199.37x = 35,968,129,650,434,288
  5. Step 5: Solve for x
    x = 35,968,129,650,434,288/218,454,199.37
  6. Step 6: Final answer
    x = 164,648,378.26

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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.