Home / 67,649,342.40-93,355,087.95-39,775,181.76

Finding the Fourth Proportional to 67,649,342.40, 93,355,087.95 and 39,775,181.76

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Solution

The fourth proportional to 67,649,342.40, 93,355,087.95 and 39,775,181.76 is: 54,889,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,649,342.40 : 93,355,087.95 = 39,775,181.76 : x
  2. Step 2: Convert to fraction form
    67,649,342.40/93,355,087.95 = 39,775,181.76/x
  3. Step 3: Cross multiply
    67,649,342.40x = 93,355,087.95 × 39,775,181.76
  4. Step 4: Simplify right side
    67,649,342.40x = 3,713,215,591,432,035.50
  5. Step 5: Solve for x
    x = 3,713,215,591,432,035.50/67,649,342.40
  6. Step 6: Final answer
    x = 54,889,160.19

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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.