Home / 165,889,517.80-248,834,276.70-105,373,575.40

Finding the Fourth Proportional to 165,889,517.80, 248,834,276.70 and 105,373,575.40

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Solution

The fourth proportional to 165,889,517.80, 248,834,276.70 and 105,373,575.40 is: 158,060,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889,517.80 : 248,834,276.70 = 105,373,575.40 : x
  2. Step 2: Convert to fraction form
    165,889,517.80/248,834,276.70 = 105,373,575.40/x
  3. Step 3: Cross multiply
    165,889,517.80x = 248,834,276.70 × 105,373,575.40
  4. Step 4: Simplify right side
    165,889,517.80x = 26,220,557,417,951,912
  5. Step 5: Solve for x
    x = 26,220,557,417,951,912/165,889,517.80
  6. Step 6: Final answer
    x = 158,060,363.10

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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.