Home / 78,889,247.12-118,376,172.73-32,862,913.58

Finding the Fourth Proportional to 78,889,247.12, 118,376,172.73 and 32,862,913.58

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Solution

The fourth proportional to 78,889,247.12, 118,376,172.73 and 32,862,913.58 is: 49,311,992.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,889,247.12 : 118,376,172.73 = 32,862,913.58 : x
  2. Step 2: Convert to fraction form
    78,889,247.12/118,376,172.73 = 32,862,913.58/x
  3. Step 3: Cross multiply
    78,889,247.12x = 118,376,172.73 × 32,862,913.58
  4. Step 4: Simplify right side
    78,889,247.12x = 3,890,185,934,694,162
  5. Step 5: Solve for x
    x = 3,890,185,934,694,162/78,889,247.12
  6. Step 6: Final answer
    x = 49,311,992.15

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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.