Home / 207,936,665.80-311,934,489.90-64,314,521.80

Finding the Fourth Proportional to 207,936,665.80, 311,934,489.90 and 64,314,521.80

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Solution

The fourth proportional to 207,936,665.80, 311,934,489.90 and 64,314,521.80 is: 96,480,904.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,936,665.80 : 311,934,489.90 = 64,314,521.80 : x
  2. Step 2: Convert to fraction form
    207,936,665.80/311,934,489.90 = 64,314,521.80/x
  3. Step 3: Cross multiply
    207,936,665.80x = 311,934,489.90 × 64,314,521.80
  4. Step 4: Simplify right side
    207,936,665.80x = 20,061,917,550,845,428
  5. Step 5: Solve for x
    x = 20,061,917,550,845,428/207,936,665.80
  6. Step 6: Final answer
    x = 96,480,904.29

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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.