Home / 201,258,009.60-301,887,014.40-178,299,758.40

Finding the Fourth Proportional to 201,258,009.60, 301,887,014.40 and 178,299,758.40

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Solution

The fourth proportional to 201,258,009.60, 301,887,014.40 and 178,299,758.40 is: 267,449,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,258,009.60 : 301,887,014.40 = 178,299,758.40 : x
  2. Step 2: Convert to fraction form
    201,258,009.60/301,887,014.40 = 178,299,758.40/x
  3. Step 3: Cross multiply
    201,258,009.60x = 301,887,014.40 × 178,299,758.40
  4. Step 4: Simplify right side
    201,258,009.60x = 53,826,381,731,617,320
  5. Step 5: Solve for x
    x = 53,826,381,731,617,320/201,258,009.60
  6. Step 6: Final answer
    x = 267,449,637.60

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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.