Home / 205,518,404.60-308,277,606.90-166,776,355.70

Finding the Fourth Proportional to 205,518,404.60, 308,277,606.90 and 166,776,355.70

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Solution

The fourth proportional to 205,518,404.60, 308,277,606.90 and 166,776,355.70 is: 250,164,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,518,404.60 : 308,277,606.90 = 166,776,355.70 : x
  2. Step 2: Convert to fraction form
    205,518,404.60/308,277,606.90 = 166,776,355.70/x
  3. Step 3: Cross multiply
    205,518,404.60x = 308,277,606.90 × 166,776,355.70
  4. Step 4: Simplify right side
    205,518,404.60x = 51,413,415,822,699,168
  5. Step 5: Solve for x
    x = 51,413,415,822,699,168/205,518,404.60
  6. Step 6: Final answer
    x = 250,164,533.55

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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.