Home / 104,976,123.60-157,464,185.40-72,097,640.40

Finding the Fourth Proportional to 104,976,123.60, 157,464,185.40 and 72,097,640.40

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Solution

The fourth proportional to 104,976,123.60, 157,464,185.40 and 72,097,640.40 is: 108,146,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,123.60 : 157,464,185.40 = 72,097,640.40 : x
  2. Step 2: Convert to fraction form
    104,976,123.60/157,464,185.40 = 72,097,640.40/x
  3. Step 3: Cross multiply
    104,976,123.60x = 157,464,185.40 × 72,097,640.40
  4. Step 4: Simplify right side
    104,976,123.60x = 11,352,796,214,848,132
  5. Step 5: Solve for x
    x = 11,352,796,214,848,132/104,976,123.60
  6. Step 6: Final answer
    x = 108,146,460.60

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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.