Home / 66,290,243.20-99,267,403.20-52,853,315.20

Finding the Fourth Proportional to 66,290,243.20, 99,267,403.20 and 52,853,315.20

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Solution

The fourth proportional to 66,290,243.20, 99,267,403.20 and 52,853,315.20 is: 79,146,056.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,290,243.20 : 99,267,403.20 = 52,853,315.20 : x
  2. Step 2: Convert to fraction form
    66,290,243.20/99,267,403.20 = 52,853,315.20/x
  3. Step 3: Cross multiply
    66,290,243.20x = 99,267,403.20 × 52,853,315.20
  4. Step 4: Simplify right side
    66,290,243.20x = 5,246,611,350,415,089
  5. Step 5: Solve for x
    x = 5,246,611,350,415,089/66,290,243.20
  6. Step 6: Final answer
    x = 79,146,056.75

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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.