Home / 119,054,809.68-164,290,084.41-66,134,947.38

Finding the Fourth Proportional to 119,054,809.68, 164,290,084.41 and 66,134,947.38

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Solution

The fourth proportional to 119,054,809.68, 164,290,084.41 and 66,134,947.38 is: 91,263,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,054,809.68 : 164,290,084.41 = 66,134,947.38 : x
  2. Step 2: Convert to fraction form
    119,054,809.68/164,290,084.41 = 66,134,947.38/x
  3. Step 3: Cross multiply
    119,054,809.68x = 164,290,084.41 × 66,134,947.38
  4. Step 4: Simplify right side
    119,054,809.68x = 10,865,316,087,511,108
  5. Step 5: Solve for x
    x = 10,865,316,087,511,108/119,054,809.68
  6. Step 6: Final answer
    x = 91,263,142.72

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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.