Home / 90,845,977.60-136,268,966.40-52,582,225.60

Finding the Fourth Proportional to 90,845,977.60, 136,268,966.40 and 52,582,225.60

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Solution

The fourth proportional to 90,845,977.60, 136,268,966.40 and 52,582,225.60 is: 78,873,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,845,977.60 : 136,268,966.40 = 52,582,225.60 : x
  2. Step 2: Convert to fraction form
    90,845,977.60/136,268,966.40 = 52,582,225.60/x
  3. Step 3: Cross multiply
    90,845,977.60x = 136,268,966.40 × 52,582,225.60
  4. Step 4: Simplify right side
    90,845,977.60x = 7,165,325,533,523,620
  5. Step 5: Solve for x
    x = 7,165,325,533,523,620/90,845,977.60
  6. Step 6: Final answer
    x = 78,873,338.40

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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.