Home / 238,782,555.20-357,996,885.60-161,913,742.40

Finding the Fourth Proportional to 238,782,555.20, 357,996,885.60 and 161,913,742.40

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Solution

The fourth proportional to 238,782,555.20, 357,996,885.60 and 161,913,742.40 is: 242,750,629.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,782,555.20 : 357,996,885.60 = 161,913,742.40 : x
  2. Step 2: Convert to fraction form
    238,782,555.20/357,996,885.60 = 161,913,742.40/x
  3. Step 3: Cross multiply
    238,782,555.20x = 357,996,885.60 × 161,913,742.40
  4. Step 4: Simplify right side
    238,782,555.20x = 57,964,615,515,040,672
  5. Step 5: Solve for x
    x = 57,964,615,515,040,672/238,782,555.20
  6. Step 6: Final answer
    x = 242,750,629.19

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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.