Home / 90,831,205.60-136,246,808.40-58,582,578.40

Finding the Fourth Proportional to 90,831,205.60, 136,246,808.40 and 58,582,578.40

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Solution

The fourth proportional to 90,831,205.60, 136,246,808.40 and 58,582,578.40 is: 87,873,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,831,205.60 : 136,246,808.40 = 58,582,578.40 : x
  2. Step 2: Convert to fraction form
    90,831,205.60/136,246,808.40 = 58,582,578.40/x
  3. Step 3: Cross multiply
    90,831,205.60x = 136,246,808.40 × 58,582,578.40
  4. Step 4: Simplify right side
    90,831,205.60x = 7,981,689,334,842,779
  5. Step 5: Solve for x
    x = 7,981,689,334,842,779/90,831,205.60
  6. Step 6: Final answer
    x = 87,873,867.60

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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.