Home / 204,078,376.60-306,117,564.90-82,996,725.40

Finding the Fourth Proportional to 204,078,376.60, 306,117,564.90 and 82,996,725.40

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Solution

The fourth proportional to 204,078,376.60, 306,117,564.90 and 82,996,725.40 is: 124,495,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,078,376.60 : 306,117,564.90 = 82,996,725.40 : x
  2. Step 2: Convert to fraction form
    204,078,376.60/306,117,564.90 = 82,996,725.40/x
  3. Step 3: Cross multiply
    204,078,376.60x = 306,117,564.90 × 82,996,725.40
  4. Step 4: Simplify right side
    204,078,376.60x = 25,406,755,474,121,980
  5. Step 5: Solve for x
    x = 25,406,755,474,121,980/204,078,376.60
  6. Step 6: Final answer
    x = 124,495,088.10

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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.