Home / 51,038,200.80-76,557,301.20-31,890,578.40

Finding the Fourth Proportional to 51,038,200.80, 76,557,301.20 and 31,890,578.40

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Solution

The fourth proportional to 51,038,200.80, 76,557,301.20 and 31,890,578.40 is: 47,835,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,038,200.80 : 76,557,301.20 = 31,890,578.40 : x
  2. Step 2: Convert to fraction form
    51,038,200.80/76,557,301.20 = 31,890,578.40/x
  3. Step 3: Cross multiply
    51,038,200.80x = 76,557,301.20 × 31,890,578.40
  4. Step 4: Simplify right side
    51,038,200.80x = 2,441,456,616,011,014
  5. Step 5: Solve for x
    x = 2,441,456,616,011,014/51,038,200.80
  6. Step 6: Final answer
    x = 47,835,867.60

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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.