Home / 142,032,138.20-213,048,207.30-136,458,301.40

Finding the Fourth Proportional to 142,032,138.20, 213,048,207.30 and 136,458,301.40

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Solution

The fourth proportional to 142,032,138.20, 213,048,207.30 and 136,458,301.40 is: 204,687,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,032,138.20 : 213,048,207.30 = 136,458,301.40 : x
  2. Step 2: Convert to fraction form
    142,032,138.20/213,048,207.30 = 136,458,301.40/x
  3. Step 3: Cross multiply
    142,032,138.20x = 213,048,207.30 × 136,458,301.40
  4. Step 4: Simplify right side
    142,032,138.20x = 29,072,196,484,473,084
  5. Step 5: Solve for x
    x = 29,072,196,484,473,084/142,032,138.20
  6. Step 6: Final answer
    x = 204,687,452.10

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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.