Home / 257,701,154.85-355,624,604.31-140,224,461.03

Finding the Fourth Proportional to 257,701,154.85, 355,624,604.31 and 140,224,461.03

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Solution

The fourth proportional to 257,701,154.85, 355,624,604.31 and 140,224,461.03 is: 193,508,129.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,701,154.85 : 355,624,604.31 = 140,224,461.03 : x
  2. Step 2: Convert to fraction form
    257,701,154.85/355,624,604.31 = 140,224,461.03/x
  3. Step 3: Cross multiply
    257,701,154.85x = 355,624,604.31 × 140,224,461.03
  4. Step 4: Simplify right side
    257,701,154.85x = 49,867,268,468,376,768
  5. Step 5: Solve for x
    x = 49,867,268,468,376,768/257,701,154.85
  6. Step 6: Final answer
    x = 193,508,129.59

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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.