Home / 257,935,093.80-386,953,668.54-73,704,235.56

Finding the Fourth Proportional to 257,935,093.80, 386,953,668.54 and 73,704,235.56

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Solution

The fourth proportional to 257,935,093.80, 386,953,668.54 and 73,704,235.56 is: 110,570,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,935,093.80 : 386,953,668.54 = 73,704,235.56 : x
  2. Step 2: Convert to fraction form
    257,935,093.80/386,953,668.54 = 73,704,235.56/x
  3. Step 3: Cross multiply
    257,935,093.80x = 386,953,668.54 × 73,704,235.56
  4. Step 4: Simplify right side
    257,935,093.80x = 28,520,124,336,878,324
  5. Step 5: Solve for x
    x = 28,520,124,336,878,324/257,935,093.80
  6. Step 6: Final answer
    x = 110,570,934.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.