Home / 112,069,330.20-168,103,995.30-31,290,168.60

Finding the Fourth Proportional to 112,069,330.20, 168,103,995.30 and 31,290,168.60

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Solution

The fourth proportional to 112,069,330.20, 168,103,995.30 and 31,290,168.60 is: 46,935,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,069,330.20 : 168,103,995.30 = 31,290,168.60 : x
  2. Step 2: Convert to fraction form
    112,069,330.20/168,103,995.30 = 31,290,168.60/x
  3. Step 3: Cross multiply
    112,069,330.20x = 168,103,995.30 × 31,290,168.60
  4. Step 4: Simplify right side
    112,069,330.20x = 5,260,002,355,270,608
  5. Step 5: Solve for x
    x = 5,260,002,355,270,608/112,069,330.20
  6. Step 6: Final answer
    x = 46,935,252.90

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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.