Home / 140,246,345.43-193,559,183.01-80,706,417.93

Finding the Fourth Proportional to 140,246,345.43, 193,559,183.01 and 80,706,417.93

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Solution

The fourth proportional to 140,246,345.43, 193,559,183.01 and 80,706,417.93 is: 111,385,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,246,345.43 : 193,559,183.01 = 80,706,417.93 : x
  2. Step 2: Convert to fraction form
    140,246,345.43/193,559,183.01 = 80,706,417.93/x
  3. Step 3: Cross multiply
    140,246,345.43x = 193,559,183.01 × 80,706,417.93
  4. Step 4: Simplify right side
    140,246,345.43x = 15,621,468,318,194,416
  5. Step 5: Solve for x
    x = 15,621,468,318,194,416/140,246,345.43
  6. Step 6: Final answer
    x = 111,385,920.75

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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.