Home / 199,588,428.30-299,382,642.45-70,195,010.70

Finding the Fourth Proportional to 199,588,428.30, 299,382,642.45 and 70,195,010.70

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Solution

The fourth proportional to 199,588,428.30, 299,382,642.45 and 70,195,010.70 is: 105,292,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,588,428.30 : 299,382,642.45 = 70,195,010.70 : x
  2. Step 2: Convert to fraction form
    199,588,428.30/299,382,642.45 = 70,195,010.70/x
  3. Step 3: Cross multiply
    199,588,428.30x = 299,382,642.45 × 70,195,010.70
  4. Step 4: Simplify right side
    199,588,428.30x = 21,015,167,790,172,024
  5. Step 5: Solve for x
    x = 21,015,167,790,172,024/199,588,428.30
  6. Step 6: Final answer
    x = 105,292,516.05

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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.