Home / 100,696,458.51-151,044,729.50-45,299,587.85

Finding the Fourth Proportional to 100,696,458.51, 151,044,729.50 and 45,299,587.85

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Solution

The fourth proportional to 100,696,458.51, 151,044,729.50 and 45,299,587.85 is: 67,949,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,696,458.51 : 151,044,729.50 = 45,299,587.85 : x
  2. Step 2: Convert to fraction form
    100,696,458.51/151,044,729.50 = 45,299,587.85/x
  3. Step 3: Cross multiply
    100,696,458.51x = 151,044,729.50 × 45,299,587.85
  4. Step 4: Simplify right side
    100,696,458.51x = 6,842,263,992,283,015
  5. Step 5: Solve for x
    x = 6,842,263,992,283,015/100,696,458.51
  6. Step 6: Final answer
    x = 67,949,400.54

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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.