Home / 49,859,980.20-74,789,970.30-39,110,437.80

Finding the Fourth Proportional to 49,859,980.20, 74,789,970.30 and 39,110,437.80

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Solution

The fourth proportional to 49,859,980.20, 74,789,970.30 and 39,110,437.80 is: 58,665,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,859,980.20 : 74,789,970.30 = 39,110,437.80 : x
  2. Step 2: Convert to fraction form
    49,859,980.20/74,789,970.30 = 39,110,437.80/x
  3. Step 3: Cross multiply
    49,859,980.20x = 74,789,970.30 × 39,110,437.80
  4. Step 4: Simplify right side
    49,859,980.20x = 2,925,068,481,481,997
  5. Step 5: Solve for x
    x = 2,925,068,481,481,997/49,859,980.20
  6. Step 6: Final answer
    x = 58,665,656.70

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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.