Home / 74,069,866.86-102,251,860.83-49,331,222.70

Finding the Fourth Proportional to 74,069,866.86, 102,251,860.83 and 49,331,222.70

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Solution

The fourth proportional to 74,069,866.86, 102,251,860.83 and 49,331,222.70 is: 68,100,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069,866.86 : 102,251,860.83 = 49,331,222.70 : x
  2. Step 2: Convert to fraction form
    74,069,866.86/102,251,860.83 = 49,331,222.70/x
  3. Step 3: Cross multiply
    74,069,866.86x = 102,251,860.83 × 49,331,222.70
  4. Step 4: Simplify right side
    74,069,866.86x = 5,044,209,318,094,137
  5. Step 5: Solve for x
    x = 5,044,209,318,094,137/74,069,866.86
  6. Step 6: Final answer
    x = 68,100,693.74

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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.