Home / 74,450,999.20-111,456,049.20-55,366,362.40

Finding the Fourth Proportional to 74,450,999.20, 111,456,049.20 and 55,366,362.40

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Solution

The fourth proportional to 74,450,999.20, 111,456,049.20 and 55,366,362.40 is: 82,885,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,450,999.20 : 111,456,049.20 = 55,366,362.40 : x
  2. Step 2: Convert to fraction form
    74,450,999.20/111,456,049.20 = 55,366,362.40/x
  3. Step 3: Cross multiply
    74,450,999.20x = 111,456,049.20 × 55,366,362.40
  4. Step 4: Simplify right side
    74,450,999.20x = 6,170,916,011,679,430
  5. Step 5: Solve for x
    x = 6,170,916,011,679,430/74,450,999.20
  6. Step 6: Final answer
    x = 82,885,603.66

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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.