Home / 81,644,820.48-122,482,298.88-33,779,496.96

Finding the Fourth Proportional to 81,644,820.48, 122,482,298.88 and 33,779,496.96

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Solution

The fourth proportional to 81,644,820.48, 122,482,298.88 and 33,779,496.96 is: 50,675,479.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,644,820.48 : 122,482,298.88 = 33,779,496.96 : x
  2. Step 2: Convert to fraction form
    81,644,820.48/122,482,298.88 = 33,779,496.96/x
  3. Step 3: Cross multiply
    81,644,820.48x = 122,482,298.88 × 33,779,496.96
  4. Step 4: Simplify right side
    81,644,820.48x = 4,137,390,442,670,771.50
  5. Step 5: Solve for x
    x = 4,137,390,442,670,771.50/81,644,820.48
  6. Step 6: Final answer
    x = 50,675,479.70

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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.