Home / 71,709,235.45-107,615,668.07-28,553,567.83

Finding the Fourth Proportional to 71,709,235.45, 107,615,668.07 and 28,553,567.83

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Solution

The fourth proportional to 71,709,235.45, 107,615,668.07 and 28,553,567.83 is: 42,850,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,709,235.45 : 107,615,668.07 = 28,553,567.83 : x
  2. Step 2: Convert to fraction form
    71,709,235.45/107,615,668.07 = 28,553,567.83/x
  3. Step 3: Cross multiply
    71,709,235.45x = 107,615,668.07 × 28,553,567.83
  4. Step 4: Simplify right side
    71,709,235.45x = 3,072,811,277,807,510
  5. Step 5: Solve for x
    x = 3,072,811,277,807,510/71,709,235.45
  6. Step 6: Final answer
    x = 42,850,983.68

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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.