Home / 66,433,243.20-99,649,864.80-37,735,429.20

Finding the Fourth Proportional to 66,433,243.20, 99,649,864.80 and 37,735,429.20

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Solution

The fourth proportional to 66,433,243.20, 99,649,864.80 and 37,735,429.20 is: 56,603,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,243.20 : 99,649,864.80 = 37,735,429.20 : x
  2. Step 2: Convert to fraction form
    66,433,243.20/99,649,864.80 = 37,735,429.20/x
  3. Step 3: Cross multiply
    66,433,243.20x = 99,649,864.80 × 37,735,429.20
  4. Step 4: Simplify right side
    66,433,243.20x = 3,760,330,417,949,972.50
  5. Step 5: Solve for x
    x = 3,760,330,417,949,972.50/66,433,243.20
  6. Step 6: Final answer
    x = 56,603,143.80

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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.