Home / 79,263,003.80-118,894,505.70-69,185,307.80

Finding the Fourth Proportional to 79,263,003.80, 118,894,505.70 and 69,185,307.80

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Solution

The fourth proportional to 79,263,003.80, 118,894,505.70 and 69,185,307.80 is: 103,777,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263,003.80 : 118,894,505.70 = 69,185,307.80 : x
  2. Step 2: Convert to fraction form
    79,263,003.80/118,894,505.70 = 69,185,307.80/x
  3. Step 3: Cross multiply
    79,263,003.80x = 118,894,505.70 × 69,185,307.80
  4. Step 4: Simplify right side
    79,263,003.80x = 8,225,752,972,583,354
  5. Step 5: Solve for x
    x = 8,225,752,972,583,354/79,263,003.80
  6. Step 6: Final answer
    x = 103,777,961.70

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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.