Home / 257,436,428.16-355,263,658.56-151,594,435.20

Finding the Fourth Proportional to 257,436,428.16, 355,263,658.56 and 151,594,435.20

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Solution

The fourth proportional to 257,436,428.16, 355,263,658.56 and 151,594,435.20 is: 209,201,137.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,436,428.16 : 355,263,658.56 = 151,594,435.20 : x
  2. Step 2: Convert to fraction form
    257,436,428.16/355,263,658.56 = 151,594,435.20/x
  3. Step 3: Cross multiply
    257,436,428.16x = 355,263,658.56 × 151,594,435.20
  4. Step 4: Simplify right side
    257,436,428.16x = 53,855,993,666,488,840
  5. Step 5: Solve for x
    x = 53,855,993,666,488,840/257,436,428.16
  6. Step 6: Final answer
    x = 209,201,137.74

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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.