Home / 212,631,840.16-293,430,891.27-123,341,842.83

Finding the Fourth Proportional to 212,631,840.16, 293,430,891.27 and 123,341,842.83

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Solution

The fourth proportional to 212,631,840.16, 293,430,891.27 and 123,341,842.83 is: 170,211,135.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,631,840.16 : 293,430,891.27 = 123,341,842.83 : x
  2. Step 2: Convert to fraction form
    212,631,840.16/293,430,891.27 = 123,341,842.83/x
  3. Step 3: Cross multiply
    212,631,840.16x = 293,430,891.27 × 123,341,842.83
  4. Step 4: Simplify right side
    212,631,840.16x = 36,192,306,871,232,144
  5. Step 5: Solve for x
    x = 36,192,306,871,232,144/212,631,840.16
  6. Step 6: Final answer
    x = 170,211,135.09

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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.