Home / 88,212,274.61-121,715,100.29-51,535,759.73

Finding the Fourth Proportional to 88,212,274.61, 121,715,100.29 and 51,535,759.73

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Solution

The fourth proportional to 88,212,274.61, 121,715,100.29 and 51,535,759.73 is: 71,108,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,212,274.61 : 121,715,100.29 = 51,535,759.73 : x
  2. Step 2: Convert to fraction form
    88,212,274.61/121,715,100.29 = 51,535,759.73/x
  3. Step 3: Cross multiply
    88,212,274.61x = 121,715,100.29 × 51,535,759.73
  4. Step 4: Simplify right side
    88,212,274.61x = 6,272,680,163,578,558
  5. Step 5: Solve for x
    x = 6,272,680,163,578,558/88,212,274.61
  6. Step 6: Final answer
    x = 71,108,926.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.