Home / 238,464,266.20-357,696,399.30-85,115,325.40

Finding the Fourth Proportional to 238,464,266.20, 357,696,399.30 and 85,115,325.40

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Solution

The fourth proportional to 238,464,266.20, 357,696,399.30 and 85,115,325.40 is: 127,672,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,464,266.20 : 357,696,399.30 = 85,115,325.40 : x
  2. Step 2: Convert to fraction form
    238,464,266.20/357,696,399.30 = 85,115,325.40/x
  3. Step 3: Cross multiply
    238,464,266.20x = 357,696,399.30 × 85,115,325.40
  4. Step 4: Simplify right side
    238,464,266.20x = 30,445,445,420,827,836
  5. Step 5: Solve for x
    x = 30,445,445,420,827,836/238,464,266.20
  6. Step 6: Final answer
    x = 127,672,988.10

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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.