Home / 137,376,330.30-206,064,495.45-128,873,274.30

Finding the Fourth Proportional to 137,376,330.30, 206,064,495.45 and 128,873,274.30

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Solution

The fourth proportional to 137,376,330.30, 206,064,495.45 and 128,873,274.30 is: 193,309,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,376,330.30 : 206,064,495.45 = 128,873,274.30 : x
  2. Step 2: Convert to fraction form
    137,376,330.30/206,064,495.45 = 128,873,274.30/x
  3. Step 3: Cross multiply
    137,376,330.30x = 206,064,495.45 × 128,873,274.30
  4. Step 4: Simplify right side
    137,376,330.30x = 26,556,206,245,618,948
  5. Step 5: Solve for x
    x = 26,556,206,245,618,948/137,376,330.30
  6. Step 6: Final answer
    x = 193,309,911.45

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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.