Home / 107,797,961.60-161,703,940.80-56,779,625.60

Finding the Fourth Proportional to 107,797,961.60, 161,703,940.80 and 56,779,625.60

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Solution

The fourth proportional to 107,797,961.60, 161,703,940.80 and 56,779,625.60 is: 85,173,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,797,961.60 : 161,703,940.80 = 56,779,625.60 : x
  2. Step 2: Convert to fraction form
    107,797,961.60/161,703,940.80 = 56,779,625.60/x
  3. Step 3: Cross multiply
    107,797,961.60x = 161,703,940.80 × 56,779,625.60
  4. Step 4: Simplify right side
    107,797,961.60x = 9,181,489,216,668,566
  5. Step 5: Solve for x
    x = 9,181,489,216,668,566/107,797,961.60
  6. Step 6: Final answer
    x = 85,173,124.62

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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.