Home / 257,737,332.72-355,752,467.79-168,442,709.78

Finding the Fourth Proportional to 257,737,332.72, 355,752,467.79 and 168,442,709.78

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Solution

The fourth proportional to 257,737,332.72, 355,752,467.79 and 168,442,709.78 is: 232,499,921.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,737,332.72 : 355,752,467.79 = 168,442,709.78 : x
  2. Step 2: Convert to fraction form
    257,737,332.72/355,752,467.79 = 168,442,709.78/x
  3. Step 3: Cross multiply
    257,737,332.72x = 355,752,467.79 × 168,442,709.78
  4. Step 4: Simplify right side
    257,737,332.72x = 59,923,909,686,990,808
  5. Step 5: Solve for x
    x = 59,923,909,686,990,808/257,737,332.72
  6. Step 6: Final answer
    x = 232,499,921.74

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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.