Home / 78,940,050.80-118,426,978.08-23,612,231.36

Finding the Fourth Proportional to 78,940,050.80, 118,426,978.08 and 23,612,231.36

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Solution

The fourth proportional to 78,940,050.80, 118,426,978.08 and 23,612,231.36 is: 35,423,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,940,050.80 : 118,426,978.08 = 23,612,231.36 : x
  2. Step 2: Convert to fraction form
    78,940,050.80/118,426,978.08 = 23,612,231.36/x
  3. Step 3: Cross multiply
    78,940,050.80x = 118,426,978.08 × 23,612,231.36
  4. Step 4: Simplify right side
    78,940,050.80x = 2,796,325,205,690,608.50
  5. Step 5: Solve for x
    x = 2,796,325,205,690,608.50/78,940,050.80
  6. Step 6: Final answer
    x = 35,423,402.66

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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.