Home / 272,933,695.40-408,983,949.63-162,051,015.02

Finding the Fourth Proportional to 272,933,695.40, 408,983,949.63 and 162,051,015.02

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Solution

The fourth proportional to 272,933,695.40, 408,983,949.63 and 162,051,015.02 is: 242,829,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,933,695.40 : 408,983,949.63 = 162,051,015.02 : x
  2. Step 2: Convert to fraction form
    272,933,695.40/408,983,949.63 = 162,051,015.02/x
  3. Step 3: Cross multiply
    272,933,695.40x = 408,983,949.63 × 162,051,015.02
  4. Step 4: Simplify right side
    272,933,695.40x = 66,276,264,162,385,128
  5. Step 5: Solve for x
    x = 66,276,264,162,385,128/272,933,695.40
  6. Step 6: Final answer
    x = 242,829,175.29

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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.