Home / 51,416,579.54-77,130,721.73-18,642,582.78

Finding the Fourth Proportional to 51,416,579.54, 77,130,721.73 and 18,642,582.78

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Solution

The fourth proportional to 51,416,579.54, 77,130,721.73 and 18,642,582.78 is: 27,965,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416,579.54 : 77,130,721.73 = 18,642,582.78 : x
  2. Step 2: Convert to fraction form
    51,416,579.54/77,130,721.73 = 18,642,582.78/x
  3. Step 3: Cross multiply
    51,416,579.54x = 77,130,721.73 × 18,642,582.78
  4. Step 4: Simplify right side
    51,416,579.54x = 1,437,915,864,639,457
  5. Step 5: Solve for x
    x = 1,437,915,864,639,457/51,416,579.54
  6. Step 6: Final answer
    x = 27,965,996.14

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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.