Home / 66,890,002.90-100,310,908.47-23,158,888.21

Finding the Fourth Proportional to 66,890,002.90, 100,310,908.47 and 23,158,888.21

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Solution

The fourth proportional to 66,890,002.90, 100,310,908.47 and 23,158,888.21 is: 34,729,989.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,890,002.90 : 100,310,908.47 = 23,158,888.21 : x
  2. Step 2: Convert to fraction form
    66,890,002.90/100,310,908.47 = 23,158,888.21/x
  3. Step 3: Cross multiply
    66,890,002.90x = 100,310,908.47 × 23,158,888.21
  4. Step 4: Simplify right side
    66,890,002.90x = 2,323,089,115,500,272
  5. Step 5: Solve for x
    x = 2,323,089,115,500,272/66,890,002.90
  6. Step 6: Final answer
    x = 34,729,989.76

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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.