Home / 112,101,112.85-168,151,669.28-51,516,838.85

Finding the Fourth Proportional to 112,101,112.85, 168,151,669.28 and 51,516,838.85

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Solution

The fourth proportional to 112,101,112.85, 168,151,669.28 and 51,516,838.85 is: 77,275,258.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,101,112.85 : 168,151,669.28 = 51,516,838.85 : x
  2. Step 2: Convert to fraction form
    112,101,112.85/168,151,669.28 = 51,516,838.85/x
  3. Step 3: Cross multiply
    112,101,112.85x = 168,151,669.28 × 51,516,838.85
  4. Step 4: Simplify right side
    112,101,112.85x = 8,662,642,448,398,672
  5. Step 5: Solve for x
    x = 8,662,642,448,398,672/112,101,112.85
  6. Step 6: Final answer
    x = 77,275,258.28

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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.