Home / 122,318,817.66-168,799,995.90-67,314,674.16

Finding the Fourth Proportional to 122,318,817.66, 168,799,995.90 and 67,314,674.16

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Solution

The fourth proportional to 122,318,817.66, 168,799,995.90 and 67,314,674.16 is: 92,894,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,318,817.66 : 168,799,995.90 = 67,314,674.16 : x
  2. Step 2: Convert to fraction form
    122,318,817.66/168,799,995.90 = 67,314,674.16/x
  3. Step 3: Cross multiply
    122,318,817.66x = 168,799,995.90 × 67,314,674.16
  4. Step 4: Simplify right side
    122,318,817.66x = 11,362,716,722,501,230
  5. Step 5: Solve for x
    x = 11,362,716,722,501,230/122,318,817.66
  6. Step 6: Final answer
    x = 92,894,265.49

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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.