Home / 51,900,490.50-77,850,811.50-21,195,070.23

Finding the Fourth Proportional to 51,900,490.50, 77,850,811.50 and 21,195,070.23

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Solution

The fourth proportional to 51,900,490.50, 77,850,811.50 and 21,195,070.23 is: 31,792,636.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,900,490.50 : 77,850,811.50 = 21,195,070.23 : x
  2. Step 2: Convert to fraction form
    51,900,490.50/77,850,811.50 = 21,195,070.23/x
  3. Step 3: Cross multiply
    51,900,490.50x = 77,850,811.50 × 21,195,070.23
  4. Step 4: Simplify right side
    51,900,490.50x = 1,650,053,417,204,991.75
  5. Step 5: Solve for x
    x = 1,650,053,417,204,991.75/51,900,490.50
  6. Step 6: Final answer
    x = 31,792,636.28

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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.