Home / 122,908,009.92-169,611,047.22-67,152,230.46

Finding the Fourth Proportional to 122,908,009.92, 169,611,047.22 and 67,152,230.46

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Solution

The fourth proportional to 122,908,009.92, 169,611,047.22 and 67,152,230.46 is: 92,668,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,908,009.92 : 169,611,047.22 = 67,152,230.46 : x
  2. Step 2: Convert to fraction form
    122,908,009.92/169,611,047.22 = 67,152,230.46/x
  3. Step 3: Cross multiply
    122,908,009.92x = 169,611,047.22 × 67,152,230.46
  4. Step 4: Simplify right side
    122,908,009.92x = 11,389,760,131,479,382
  5. Step 5: Solve for x
    x = 11,389,760,131,479,382/122,908,009.92
  6. Step 6: Final answer
    x = 92,668,981.78

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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.