Home / 137,376,005.40-206,064,008.10-97,065,221.40

Finding the Fourth Proportional to 137,376,005.40, 206,064,008.10 and 97,065,221.40

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Solution

The fourth proportional to 137,376,005.40, 206,064,008.10 and 97,065,221.40 is: 145,597,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,376,005.40 : 206,064,008.10 = 97,065,221.40 : x
  2. Step 2: Convert to fraction form
    137,376,005.40/206,064,008.10 = 97,065,221.40/x
  3. Step 3: Cross multiply
    137,376,005.40x = 206,064,008.10 × 97,065,221.40
  4. Step 4: Simplify right side
    137,376,005.40x = 20,001,648,568,797,892
  5. Step 5: Solve for x
    x = 20,001,648,568,797,892/137,376,005.40
  6. Step 6: Final answer
    x = 145,597,832.10

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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.