Home / 103,895,111.96-143,312,785.56-68,613,241.64

Finding the Fourth Proportional to 103,895,111.96, 143,312,785.56 and 68,613,241.64

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Solution

The fourth proportional to 103,895,111.96, 143,312,785.56 and 68,613,241.64 is: 94,645,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,895,111.96 : 143,312,785.56 = 68,613,241.64 : x
  2. Step 2: Convert to fraction form
    103,895,111.96/143,312,785.56 = 68,613,241.64/x
  3. Step 3: Cross multiply
    103,895,111.96x = 143,312,785.56 × 68,613,241.64
  4. Step 4: Simplify right side
    103,895,111.96x = 9,833,154,785,729,782
  5. Step 5: Solve for x
    x = 9,833,154,785,729,782/103,895,111.96
  6. Step 6: Final answer
    x = 94,645,018.43

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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.