Home / 212,476,087.85-293,218,164.40-123,220,951.54

Finding the Fourth Proportional to 212,476,087.85, 293,218,164.40 and 123,220,951.54

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Solution

The fourth proportional to 212,476,087.85, 293,218,164.40 and 123,220,951.54 is: 170,045,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,476,087.85 : 293,218,164.40 = 123,220,951.54 : x
  2. Step 2: Convert to fraction form
    212,476,087.85/293,218,164.40 = 123,220,951.54/x
  3. Step 3: Cross multiply
    212,476,087.85x = 293,218,164.40 × 123,220,951.54
  4. Step 4: Simplify right side
    212,476,087.85x = 36,130,621,226,180,152
  5. Step 5: Solve for x
    x = 36,130,621,226,180,152/212,476,087.85
  6. Step 6: Final answer
    x = 170,045,587.68

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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.