Home / 210,348,559.65-316,958,622.14-172,850,082.69

Finding the Fourth Proportional to 210,348,559.65, 316,958,622.14 and 172,850,082.69

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Solution

The fourth proportional to 210,348,559.65, 316,958,622.14 and 172,850,082.69 is: 260,454,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,348,559.65 : 316,958,622.14 = 172,850,082.69 : x
  2. Step 2: Convert to fraction form
    210,348,559.65/316,958,622.14 = 172,850,082.69/x
  3. Step 3: Cross multiply
    210,348,559.65x = 316,958,622.14 × 172,850,082.69
  4. Step 4: Simplify right side
    210,348,559.65x = 54,786,324,044,477,856
  5. Step 5: Solve for x
    x = 54,786,324,044,477,856/210,348,559.65
  6. Step 6: Final answer
    x = 260,454,952.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.