Home / 123,325,990.35-170,176,135.71-68,308,068.75

Finding the Fourth Proportional to 123,325,990.35, 170,176,135.71 and 68,308,068.75

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Solution

The fourth proportional to 123,325,990.35, 170,176,135.71 and 68,308,068.75 is: 94,257,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,325,990.35 : 170,176,135.71 = 68,308,068.75 : x
  2. Step 2: Convert to fraction form
    123,325,990.35/170,176,135.71 = 68,308,068.75/x
  3. Step 3: Cross multiply
    123,325,990.35x = 170,176,135.71 × 68,308,068.75
  4. Step 4: Simplify right side
    123,325,990.35x = 11,624,403,177,688,010
  5. Step 5: Solve for x
    x = 11,624,403,177,688,010/123,325,990.35
  6. Step 6: Final answer
    x = 94,257,529.53

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