Home / 122,908,010.42-169,611,047.91-67,152,230.96

Finding the Fourth Proportional to 122,908,010.42, 169,611,047.91 and 67,152,230.96

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Solution

The fourth proportional to 122,908,010.42, 169,611,047.91 and 67,152,230.96 is: 92,668,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,908,010.42 : 169,611,047.91 = 67,152,230.96 : x
  2. Step 2: Convert to fraction form
    122,908,010.42/169,611,047.91 = 67,152,230.96/x
  3. Step 3: Cross multiply
    122,908,010.42x = 169,611,047.91 × 67,152,230.96
  4. Step 4: Simplify right side
    122,908,010.42x = 11,389,760,262,619,944
  5. Step 5: Solve for x
    x = 11,389,760,262,619,944/122,908,010.42
  6. Step 6: Final answer
    x = 92,668,982.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.