Home / 165,308,454.18-247,809,172.32-73,142,966.66

Finding the Fourth Proportional to 165,308,454.18, 247,809,172.32 and 73,142,966.66

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Solution

The fourth proportional to 165,308,454.18, 247,809,172.32 and 73,142,966.66 is: 109,646,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,308,454.18 : 247,809,172.32 = 73,142,966.66 : x
  2. Step 2: Convert to fraction form
    165,308,454.18/247,809,172.32 = 73,142,966.66/x
  3. Step 3: Cross multiply
    165,308,454.18x = 247,809,172.32 × 73,142,966.66
  4. Step 4: Simplify right side
    165,308,454.18x = 18,125,498,027,804,908
  5. Step 5: Solve for x
    x = 18,125,498,027,804,908/165,308,454.18
  6. Step 6: Final answer
    x = 109,646,527.87

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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.