Home / 49,897,115.80-74,845,673.70-42,590,786.20

Finding the Fourth Proportional to 49,897,115.80, 74,845,673.70 and 42,590,786.20

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Solution

The fourth proportional to 49,897,115.80, 74,845,673.70 and 42,590,786.20 is: 63,886,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,897,115.80 : 74,845,673.70 = 42,590,786.20 : x
  2. Step 2: Convert to fraction form
    49,897,115.80/74,845,673.70 = 42,590,786.20/x
  3. Step 3: Cross multiply
    49,897,115.80x = 74,845,673.70 × 42,590,786.20
  4. Step 4: Simplify right side
    49,897,115.80x = 3,187,736,086,551,663.50
  5. Step 5: Solve for x
    x = 3,187,736,086,551,663.50/49,897,115.80
  6. Step 6: Final answer
    x = 63,886,179.30

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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.