Home / 223,983,321.40-309,096,919.02-120,966,873.40

Finding the Fourth Proportional to 223,983,321.40, 309,096,919.02 and 120,966,873.40

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Solution

The fourth proportional to 223,983,321.40, 309,096,919.02 and 120,966,873.40 is: 166,934,250.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,983,321.40 : 309,096,919.02 = 120,966,873.40 : x
  2. Step 2: Convert to fraction form
    223,983,321.40/309,096,919.02 = 120,966,873.40/x
  3. Step 3: Cross multiply
    223,983,321.40x = 309,096,919.02 × 120,966,873.40
  4. Step 4: Simplify right side
    223,983,321.40x = 37,390,487,871,422,392
  5. Step 5: Solve for x
    x = 37,390,487,871,422,392/223,983,321.40
  6. Step 6: Final answer
    x = 166,934,250.45

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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.