Home / 61,709,436.87-85,167,698.37-38,195,515.74

Finding the Fourth Proportional to 61,709,436.87, 85,167,698.37 and 38,195,515.74

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Solution

The fourth proportional to 61,709,436.87, 85,167,698.37 and 38,195,515.74 is: 52,715,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709,436.87 : 85,167,698.37 = 38,195,515.74 : x
  2. Step 2: Convert to fraction form
    61,709,436.87/85,167,698.37 = 38,195,515.74/x
  3. Step 3: Cross multiply
    61,709,436.87x = 85,167,698.37 × 38,195,515.74
  4. Step 4: Simplify right side
    61,709,436.87x = 3,253,024,163,630,907.50
  5. Step 5: Solve for x
    x = 3,253,024,163,630,907.50/61,709,436.87
  6. Step 6: Final answer
    x = 52,715,181.48

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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.