Home / 121,606,608.17-182,591,930.80-105,262,583.08

Finding the Fourth Proportional to 121,606,608.17, 182,591,930.80 and 105,262,583.08

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Solution

The fourth proportional to 121,606,608.17, 182,591,930.80 and 105,262,583.08 is: 158,051,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,606,608.17 : 182,591,930.80 = 105,262,583.08 : x
  2. Step 2: Convert to fraction form
    121,606,608.17/182,591,930.80 = 105,262,583.08/x
  3. Step 3: Cross multiply
    121,606,608.17x = 182,591,930.80 × 105,262,583.08
  4. Step 4: Simplify right side
    121,606,608.17x = 19,220,098,285,572,612
  5. Step 5: Solve for x
    x = 19,220,098,285,572,612/121,606,608.17
  6. Step 6: Final answer
    x = 158,051,429.73

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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.