Home / 50,817,655.40-76,100,511.90-40,739,959.40

Finding the Fourth Proportional to 50,817,655.40, 76,100,511.90 and 40,739,959.40

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Solution

The fourth proportional to 50,817,655.40, 76,100,511.90 and 40,739,959.40 is: 61,008,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,817,655.40 : 76,100,511.90 = 40,739,959.40 : x
  2. Step 2: Convert to fraction form
    50,817,655.40/76,100,511.90 = 40,739,959.40/x
  3. Step 3: Cross multiply
    50,817,655.40x = 76,100,511.90 × 40,739,959.40
  4. Step 4: Simplify right side
    50,817,655.40x = 3,100,331,765,125,217
  5. Step 5: Solve for x
    x = 3,100,331,765,125,217/50,817,655.40
  6. Step 6: Final answer
    x = 61,008,949.36

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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.