Home / 123,899,344.20-185,849,016.30-119,196,419.40

Finding the Fourth Proportional to 123,899,344.20, 185,849,016.30 and 119,196,419.40

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Solution

The fourth proportional to 123,899,344.20, 185,849,016.30 and 119,196,419.40 is: 178,794,629.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,899,344.20 : 185,849,016.30 = 119,196,419.40 : x
  2. Step 2: Convert to fraction form
    123,899,344.20/185,849,016.30 = 119,196,419.40/x
  3. Step 3: Cross multiply
    123,899,344.20x = 185,849,016.30 × 119,196,419.40
  4. Step 4: Simplify right side
    123,899,344.20x = 22,152,537,291,972,240
  5. Step 5: Solve for x
    x = 22,152,537,291,972,240/123,899,344.20
  6. Step 6: Final answer
    x = 178,794,629.10

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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.