Home / 133,887,690.74-200,739,851.66-68,181,640.22

Finding the Fourth Proportional to 133,887,690.74, 200,739,851.66 and 68,181,640.22

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Solution

The fourth proportional to 133,887,690.74, 200,739,851.66 and 68,181,640.22 is: 102,225,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,887,690.74 : 200,739,851.66 = 68,181,640.22 : x
  2. Step 2: Convert to fraction form
    133,887,690.74/200,739,851.66 = 68,181,640.22/x
  3. Step 3: Cross multiply
    133,887,690.74x = 200,739,851.66 × 68,181,640.22
  4. Step 4: Simplify right side
    133,887,690.74x = 13,686,772,342,865,044
  5. Step 5: Solve for x
    x = 13,686,772,342,865,044/133,887,690.74
  6. Step 6: Final answer
    x = 102,225,770.48

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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.