Home / 145,296,096.37-200,508,555.41-79,216,648.62

Finding the Fourth Proportional to 145,296,096.37, 200,508,555.41 and 79,216,648.62

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Solution

The fourth proportional to 145,296,096.37, 200,508,555.41 and 79,216,648.62 is: 109,318,943.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,296,096.37 : 200,508,555.41 = 79,216,648.62 : x
  2. Step 2: Convert to fraction form
    145,296,096.37/200,508,555.41 = 79,216,648.62/x
  3. Step 3: Cross multiply
    145,296,096.37x = 200,508,555.41 × 79,216,648.62
  4. Step 4: Simplify right side
    145,296,096.37x = 15,883,615,778,812,832
  5. Step 5: Solve for x
    x = 15,883,615,778,812,832/145,296,096.37
  6. Step 6: Final answer
    x = 109,318,943.70

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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.