Home / 85,021,596.87-117,326,029.56-47,346,704.34

Finding the Fourth Proportional to 85,021,596.87, 117,326,029.56 and 47,346,704.34

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Solution

The fourth proportional to 85,021,596.87, 117,326,029.56 and 47,346,704.34 is: 65,336,350.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,021,596.87 : 117,326,029.56 = 47,346,704.34 : x
  2. Step 2: Convert to fraction form
    85,021,596.87/117,326,029.56 = 47,346,704.34/x
  3. Step 3: Cross multiply
    85,021,596.87x = 117,326,029.56 × 47,346,704.34
  4. Step 4: Simplify right side
    85,021,596.87x = 5,555,000,832,963,421
  5. Step 5: Solve for x
    x = 5,555,000,832,963,421/85,021,596.87
  6. Step 6: Final answer
    x = 65,336,350.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.