Home / 123,530,510.43-185,232,435.66-65,269,519.20

Finding the Fourth Proportional to 123,530,510.43, 185,232,435.66 and 65,269,519.20

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Solution

The fourth proportional to 123,530,510.43, 185,232,435.66 and 65,269,519.20 is: 97,870,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,530,510.43 : 185,232,435.66 = 65,269,519.20 : x
  2. Step 2: Convert to fraction form
    123,530,510.43/185,232,435.66 = 65,269,519.20/x
  3. Step 3: Cross multiply
    123,530,510.43x = 185,232,435.66 × 65,269,519.20
  4. Step 4: Simplify right side
    123,530,510.43x = 12,090,032,015,773,134
  5. Step 5: Solve for x
    x = 12,090,032,015,773,134/123,530,510.43
  6. Step 6: Final answer
    x = 97,870,817.29

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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.