Home / 276,804,539.40-415,206,809.10-161,729,848.20

Finding the Fourth Proportional to 276,804,539.40, 415,206,809.10 and 161,729,848.20

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Solution

The fourth proportional to 276,804,539.40, 415,206,809.10 and 161,729,848.20 is: 242,594,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,804,539.40 : 415,206,809.10 = 161,729,848.20 : x
  2. Step 2: Convert to fraction form
    276,804,539.40/415,206,809.10 = 161,729,848.20/x
  3. Step 3: Cross multiply
    276,804,539.40x = 415,206,809.10 × 161,729,848.20
  4. Step 4: Simplify right side
    276,804,539.40x = 67,151,334,207,349,376
  5. Step 5: Solve for x
    x = 67,151,334,207,349,376/276,804,539.40
  6. Step 6: Final answer
    x = 242,594,772.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.