Home / 107,835,117.70-161,752,676.55-77,224,116.10

Finding the Fourth Proportional to 107,835,117.70, 161,752,676.55 and 77,224,116.10

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Solution

The fourth proportional to 107,835,117.70, 161,752,676.55 and 77,224,116.10 is: 115,836,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,835,117.70 : 161,752,676.55 = 77,224,116.10 : x
  2. Step 2: Convert to fraction form
    107,835,117.70/161,752,676.55 = 77,224,116.10/x
  3. Step 3: Cross multiply
    107,835,117.70x = 161,752,676.55 × 77,224,116.10
  4. Step 4: Simplify right side
    107,835,117.70x = 12,491,207,473,382,948
  5. Step 5: Solve for x
    x = 12,491,207,473,382,948/107,835,117.70
  6. Step 6: Final answer
    x = 115,836,174.15

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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.