Home / 90,747,816.40-136,121,724.60-29,336,856.40

Finding the Fourth Proportional to 90,747,816.40, 136,121,724.60 and 29,336,856.40

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Solution

The fourth proportional to 90,747,816.40, 136,121,724.60 and 29,336,856.40 is: 44,005,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747,816.40 : 136,121,724.60 = 29,336,856.40 : x
  2. Step 2: Convert to fraction form
    90,747,816.40/136,121,724.60 = 29,336,856.40/x
  3. Step 3: Cross multiply
    90,747,816.40x = 136,121,724.60 × 29,336,856.40
  4. Step 4: Simplify right side
    90,747,816.40x = 3,993,383,487,510,547
  5. Step 5: Solve for x
    x = 3,993,383,487,510,547/90,747,816.40
  6. Step 6: Final answer
    x = 44,005,284.60

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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.