Home / 92,219,927.40-138,329,891.10-28,394,519.40

Finding the Fourth Proportional to 92,219,927.40, 138,329,891.10 and 28,394,519.40

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Solution

The fourth proportional to 92,219,927.40, 138,329,891.10 and 28,394,519.40 is: 42,591,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,219,927.40 : 138,329,891.10 = 28,394,519.40 : x
  2. Step 2: Convert to fraction form
    92,219,927.40/138,329,891.10 = 28,394,519.40/x
  3. Step 3: Cross multiply
    92,219,927.40x = 138,329,891.10 × 28,394,519.40
  4. Step 4: Simplify right side
    92,219,927.40x = 3,927,810,776,438,837
  5. Step 5: Solve for x
    x = 3,927,810,776,438,837/92,219,927.40
  6. Step 6: Final answer
    x = 42,591,779.10

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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.