Home / 206,172,540.08-309,258,897.72-60,606,111.68

Finding the Fourth Proportional to 206,172,540.08, 309,258,897.72 and 60,606,111.68

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Solution

The fourth proportional to 206,172,540.08, 309,258,897.72 and 60,606,111.68 is: 90,909,193.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,172,540.08 : 309,258,897.72 = 60,606,111.68 : x
  2. Step 2: Convert to fraction form
    206,172,540.08/309,258,897.72 = 60,606,111.68/x
  3. Step 3: Cross multiply
    206,172,540.08x = 309,258,897.72 × 60,606,111.68
  4. Step 4: Simplify right side
    206,172,540.08x = 18,742,979,293,252,020
  5. Step 5: Solve for x
    x = 18,742,979,293,252,020/206,172,540.08
  6. Step 6: Final answer
    x = 90,909,193.27

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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.