Home / 299,376,005.10-449,064,007.65-138,132,869.10

Finding the Fourth Proportional to 299,376,005.10, 449,064,007.65 and 138,132,869.10

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Solution

The fourth proportional to 299,376,005.10, 449,064,007.65 and 138,132,869.10 is: 207,199,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,376,005.10 : 449,064,007.65 = 138,132,869.10 : x
  2. Step 2: Convert to fraction form
    299,376,005.10/449,064,007.65 = 138,132,869.10/x
  3. Step 3: Cross multiply
    299,376,005.10x = 449,064,007.65 × 138,132,869.10
  4. Step 4: Simplify right side
    299,376,005.10x = 62,030,499,786,238,840
  5. Step 5: Solve for x
    x = 62,030,499,786,238,840/299,376,005.10
  6. Step 6: Final answer
    x = 207,199,303.65

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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.