Home / 60,640,415.40-90,964,559.70-31,942,601.40

Finding the Fourth Proportional to 60,640,415.40, 90,964,559.70 and 31,942,601.40

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Solution

The fourth proportional to 60,640,415.40, 90,964,559.70 and 31,942,601.40 is: 47,915,975.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640,415.40 : 90,964,559.70 = 31,942,601.40 : x
  2. Step 2: Convert to fraction form
    60,640,415.40/90,964,559.70 = 31,942,601.40/x
  3. Step 3: Cross multiply
    60,640,415.40x = 90,964,559.70 × 31,942,601.40
  4. Step 4: Simplify right side
    60,640,415.40x = 2,905,644,672,023,603.50
  5. Step 5: Solve for x
    x = 2,905,644,672,023,603.50/60,640,415.40
  6. Step 6: Final answer
    x = 47,915,975.72

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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.