Home / 65,610,111.20-98,415,166.80-20,166,000.80

Finding the Fourth Proportional to 65,610,111.20, 98,415,166.80 and 20,166,000.80

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Solution

The fourth proportional to 65,610,111.20, 98,415,166.80 and 20,166,000.80 is: 30,249,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,610,111.20 : 98,415,166.80 = 20,166,000.80 : x
  2. Step 2: Convert to fraction form
    65,610,111.20/98,415,166.80 = 20,166,000.80/x
  3. Step 3: Cross multiply
    65,610,111.20x = 98,415,166.80 × 20,166,000.80
  4. Step 4: Simplify right side
    65,610,111.20x = 1,984,640,332,420,933.50
  5. Step 5: Solve for x
    x = 1,984,640,332,420,933.50/65,610,111.20
  6. Step 6: Final answer
    x = 30,249,001.20

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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.