Home / 76,864,766.69-106,062,913-45,918,364.61

Finding the Fourth Proportional to 76,864,766.69, 106,062,913 and 45,918,364.61

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Solution

The fourth proportional to 76,864,766.69, 106,062,913 and 45,918,364.61 is: 63,361,091.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,864,766.69 : 106,062,913 = 45,918,364.61 : x
  2. Step 2: Convert to fraction form
    76,864,766.69/106,062,913 = 45,918,364.61/x
  3. Step 3: Cross multiply
    76,864,766.69x = 106,062,913 × 45,918,364.61
  4. Step 4: Simplify right side
    76,864,766.69x = 4,870,235,510,732,709
  5. Step 5: Solve for x
    x = 4,870,235,510,732,709/76,864,766.69
  6. Step 6: Final answer
    x = 63,361,091.44

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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.