Home / 49,890,853.80-74,820,728.70-19,607,999.40

Finding the Fourth Proportional to 49,890,853.80, 74,820,728.70 and 19,607,999.40

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Solution

The fourth proportional to 49,890,853.80, 74,820,728.70 and 19,607,999.40 is: 29,405,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,890,853.80 : 74,820,728.70 = 19,607,999.40 : x
  2. Step 2: Convert to fraction form
    49,890,853.80/74,820,728.70 = 19,607,999.40/x
  3. Step 3: Cross multiply
    49,890,853.80x = 74,820,728.70 × 19,607,999.40
  4. Step 4: Simplify right side
    49,890,853.80x = 1,467,084,803,457,162.75
  5. Step 5: Solve for x
    x = 1,467,084,803,457,162.75/49,890,853.80
  6. Step 6: Final answer
    x = 29,405,886.89

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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.