Home / 85,713,321.96-118,282,372.47-50,433,412.12

Finding the Fourth Proportional to 85,713,321.96, 118,282,372.47 and 50,433,412.12

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Solution

The fourth proportional to 85,713,321.96, 118,282,372.47 and 50,433,412.12 is: 69,596,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,713,321.96 : 118,282,372.47 = 50,433,412.12 : x
  2. Step 2: Convert to fraction form
    85,713,321.96/118,282,372.47 = 50,433,412.12/x
  3. Step 3: Cross multiply
    85,713,321.96x = 118,282,372.47 × 50,433,412.12
  4. Step 4: Simplify right side
    85,713,321.96x = 5,965,383,637,015,146
  5. Step 5: Solve for x
    x = 5,965,383,637,015,146/85,713,321.96
  6. Step 6: Final answer
    x = 69,596,924.97

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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.