Home / 51,900,410.66-71,620,298.55-28,378,503.95

Finding the Fourth Proportional to 51,900,410.66, 71,620,298.55 and 28,378,503.95

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Solution

The fourth proportional to 51,900,410.66, 71,620,298.55 and 28,378,503.95 is: 39,161,095.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,900,410.66 : 71,620,298.55 = 28,378,503.95 : x
  2. Step 2: Convert to fraction form
    51,900,410.66/71,620,298.55 = 28,378,503.95/x
  3. Step 3: Cross multiply
    51,900,410.66x = 71,620,298.55 × 28,378,503.95
  4. Step 4: Simplify right side
    51,900,410.66x = 2,032,476,924,943,252.75
  5. Step 5: Solve for x
    x = 2,032,476,924,943,252.75/51,900,410.66
  6. Step 6: Final answer
    x = 39,161,095.25

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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.