Home / 140,039,538.66-193,271,509.60-79,703,202.36

Finding the Fourth Proportional to 140,039,538.66, 193,271,509.60 and 79,703,202.36

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Solution

The fourth proportional to 140,039,538.66, 193,271,509.60 and 79,703,202.36 is: 110,000,064.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,039,538.66 : 193,271,509.60 = 79,703,202.36 : x
  2. Step 2: Convert to fraction form
    140,039,538.66/193,271,509.60 = 79,703,202.36/x
  3. Step 3: Cross multiply
    140,039,538.66x = 193,271,509.60 × 79,703,202.36
  4. Step 4: Simplify right side
    140,039,538.66x = 15,404,358,240,596,992
  5. Step 5: Solve for x
    x = 15,404,358,240,596,992/140,039,538.66
  6. Step 6: Final answer
    x = 110,000,064.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.