Home / 66,896,002.20-100,344,003.30-21,462,389.40

Finding the Fourth Proportional to 66,896,002.20, 100,344,003.30 and 21,462,389.40

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Solution

The fourth proportional to 66,896,002.20, 100,344,003.30 and 21,462,389.40 is: 32,193,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,896,002.20 : 100,344,003.30 = 21,462,389.40 : x
  2. Step 2: Convert to fraction form
    66,896,002.20/100,344,003.30 = 21,462,389.40/x
  3. Step 3: Cross multiply
    66,896,002.20x = 100,344,003.30 × 21,462,389.40
  4. Step 4: Simplify right side
    66,896,002.20x = 2,153,622,072,779,484.75
  5. Step 5: Solve for x
    x = 2,153,622,072,779,484.75/66,896,002.20
  6. Step 6: Final answer
    x = 32,193,584.10

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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.