Home / 257,495,605.70-355,333,119.03-145,993,947.62

Finding the Fourth Proportional to 257,495,605.70, 355,333,119.03 and 145,993,947.62

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Solution

The fourth proportional to 257,495,605.70, 355,333,119.03 and 145,993,947.62 is: 201,465,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,495,605.70 : 355,333,119.03 = 145,993,947.62 : x
  2. Step 2: Convert to fraction form
    257,495,605.70/355,333,119.03 = 145,993,947.62/x
  3. Step 3: Cross multiply
    257,495,605.70x = 355,333,119.03 × 145,993,947.62
  4. Step 4: Simplify right side
    257,495,605.70x = 51,876,484,765,540,376
  5. Step 5: Solve for x
    x = 51,876,484,765,540,376/257,495,605.70
  6. Step 6: Final answer
    x = 201,465,514.82

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1.5x scale

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.