Home / 74,941,861.76-103,388,101.02-50,170,029.71

Finding the Fourth Proportional to 74,941,861.76, 103,388,101.02 and 50,170,029.71

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Solution

The fourth proportional to 74,941,861.76, 103,388,101.02 and 50,170,029.71 is: 69,213,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,941,861.76 : 103,388,101.02 = 50,170,029.71 : x
  2. Step 2: Convert to fraction form
    74,941,861.76/103,388,101.02 = 50,170,029.71/x
  3. Step 3: Cross multiply
    74,941,861.76x = 103,388,101.02 × 50,170,029.71
  4. Step 4: Simplify right side
    74,941,861.76x = 5,186,984,099,833,881
  5. Step 5: Solve for x
    x = 5,186,984,099,833,881/74,941,861.76
  6. Step 6: Final answer
    x = 69,213,440.63

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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.