Home / 109,361,430.80-164,042,146.20-101,047,331.60

Finding the Fourth Proportional to 109,361,430.80, 164,042,146.20 and 101,047,331.60

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Solution

The fourth proportional to 109,361,430.80, 164,042,146.20 and 101,047,331.60 is: 151,570,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,361,430.80 : 164,042,146.20 = 101,047,331.60 : x
  2. Step 2: Convert to fraction form
    109,361,430.80/164,042,146.20 = 101,047,331.60/x
  3. Step 3: Cross multiply
    109,361,430.80x = 164,042,146.20 × 101,047,331.60
  4. Step 4: Simplify right side
    109,361,430.80x = 16,576,021,143,447,078
  5. Step 5: Solve for x
    x = 16,576,021,143,447,078/109,361,430.80
  6. Step 6: Final answer
    x = 151,570,997.40

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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.