Home / 189,043,752.30-283,565,628.45-73,990,056.30

Finding the Fourth Proportional to 189,043,752.30, 283,565,628.45 and 73,990,056.30

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Solution

The fourth proportional to 189,043,752.30, 283,565,628.45 and 73,990,056.30 is: 110,985,084.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,043,752.30 : 283,565,628.45 = 73,990,056.30 : x
  2. Step 2: Convert to fraction form
    189,043,752.30/283,565,628.45 = 73,990,056.30/x
  3. Step 3: Cross multiply
    189,043,752.30x = 283,565,628.45 × 73,990,056.30
  4. Step 4: Simplify right side
    189,043,752.30x = 20,981,036,813,760,380
  5. Step 5: Solve for x
    x = 20,981,036,813,760,380/189,043,752.30
  6. Step 6: Final answer
    x = 110,985,084.45

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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.