Home / 78,746,377.22-118,125,241.25-30,224,231.01

Finding the Fourth Proportional to 78,746,377.22, 118,125,241.25 and 30,224,231.01

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Solution

The fourth proportional to 78,746,377.22, 118,125,241.25 and 30,224,231.01 is: 45,338,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,746,377.22 : 118,125,241.25 = 30,224,231.01 : x
  2. Step 2: Convert to fraction form
    78,746,377.22/118,125,241.25 = 30,224,231.01/x
  3. Step 3: Cross multiply
    78,746,377.22x = 118,125,241.25 × 30,224,231.01
  4. Step 4: Simplify right side
    78,746,377.22x = 3,570,244,579,783,963.50
  5. Step 5: Solve for x
    x = 3,570,244,579,783,963.50/78,746,377.22
  6. Step 6: Final answer
    x = 45,338,524.84

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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.