Home / 79,261,411.10-118,892,116.65-25,414,166.30

Finding the Fourth Proportional to 79,261,411.10, 118,892,116.65 and 25,414,166.30

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Solution

The fourth proportional to 79,261,411.10, 118,892,116.65 and 25,414,166.30 is: 38,121,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261,411.10 : 118,892,116.65 = 25,414,166.30 : x
  2. Step 2: Convert to fraction form
    79,261,411.10/118,892,116.65 = 25,414,166.30/x
  3. Step 3: Cross multiply
    79,261,411.10x = 118,892,116.65 × 25,414,166.30
  4. Step 4: Simplify right side
    79,261,411.10x = 3,021,544,024,302,099
  5. Step 5: Solve for x
    x = 3,021,544,024,302,099/79,261,411.10
  6. Step 6: Final answer
    x = 38,121,249.45

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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.