Home / 123,690,991.08-185,473,020.22-65,430,114.60

Finding the Fourth Proportional to 123,690,991.08, 185,473,020.22 and 65,430,114.60

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Solution

The fourth proportional to 123,690,991.08, 185,473,020.22 and 65,430,114.60 is: 98,111,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,690,991.08 : 185,473,020.22 = 65,430,114.60 : x
  2. Step 2: Convert to fraction form
    123,690,991.08/185,473,020.22 = 65,430,114.60/x
  3. Step 3: Cross multiply
    123,690,991.08x = 185,473,020.22 × 65,430,114.60
  4. Step 4: Simplify right side
    123,690,991.08x = 12,135,520,968,202,718
  5. Step 5: Solve for x
    x = 12,135,520,968,202,718/123,690,991.08
  6. Step 6: Final answer
    x = 98,111,599.42

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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.