Home / 78,801,992.02-118,275,649.44-39,967,699.24

Finding the Fourth Proportional to 78,801,992.02, 118,275,649.44 and 39,967,699.24

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Solution

The fourth proportional to 78,801,992.02, 118,275,649.44 and 39,967,699.24 is: 59,988,402.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,801,992.02 : 118,275,649.44 = 39,967,699.24 : x
  2. Step 2: Convert to fraction form
    78,801,992.02/118,275,649.44 = 39,967,699.24/x
  3. Step 3: Cross multiply
    78,801,992.02x = 118,275,649.44 × 39,967,699.24
  4. Step 4: Simplify right side
    78,801,992.02x = 4,727,205,584,233,595
  5. Step 5: Solve for x
    x = 4,727,205,584,233,595/78,801,992.02
  6. Step 6: Final answer
    x = 59,988,402.11

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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.