Home / 79,827,009.20-119,740,513.80-22,319,188.10

Finding the Fourth Proportional to 79,827,009.20, 119,740,513.80 and 22,319,188.10

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Solution

The fourth proportional to 79,827,009.20, 119,740,513.80 and 22,319,188.10 is: 33,478,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,827,009.20 : 119,740,513.80 = 22,319,188.10 : x
  2. Step 2: Convert to fraction form
    79,827,009.20/119,740,513.80 = 22,319,188.10/x
  3. Step 3: Cross multiply
    79,827,009.20x = 119,740,513.80 × 22,319,188.10
  4. Step 4: Simplify right side
    79,827,009.20x = 2,672,511,050,692,846
  5. Step 5: Solve for x
    x = 2,672,511,050,692,846/79,827,009.20
  6. Step 6: Final answer
    x = 33,478,782.15

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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.