Home / 276,796,337.40-414,911,070.90-161,721,646.20

Finding the Fourth Proportional to 276,796,337.40, 414,911,070.90 and 161,721,646.20

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Solution

The fourth proportional to 276,796,337.40, 414,911,070.90 and 161,721,646.20 is: 242,416,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,796,337.40 : 414,911,070.90 = 161,721,646.20 : x
  2. Step 2: Convert to fraction form
    276,796,337.40/414,911,070.90 = 161,721,646.20/x
  3. Step 3: Cross multiply
    276,796,337.40x = 414,911,070.90 × 161,721,646.20
  4. Step 4: Simplify right side
    276,796,337.40x = 67,100,101,412,552,904
  5. Step 5: Solve for x
    x = 67,100,101,412,552,904/276,796,337.40
  6. Step 6: Final answer
    x = 242,416,868.82

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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.