Home / 191,728,870.20-287,593,305.30-161,117,868.60

Finding the Fourth Proportional to 191,728,870.20, 287,593,305.30 and 161,117,868.60

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Solution

The fourth proportional to 191,728,870.20, 287,593,305.30 and 161,117,868.60 is: 241,676,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,728,870.20 : 287,593,305.30 = 161,117,868.60 : x
  2. Step 2: Convert to fraction form
    191,728,870.20/287,593,305.30 = 161,117,868.60/x
  3. Step 3: Cross multiply
    191,728,870.20x = 287,593,305.30 × 161,117,868.60
  4. Step 4: Simplify right side
    191,728,870.20x = 46,336,420,373,565,080
  5. Step 5: Solve for x
    x = 46,336,420,373,565,080/191,728,870.20
  6. Step 6: Final answer
    x = 241,676,802.90

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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.