Home / 57,118,710.72-85,673,875.43-18,246,725.58

Finding the Fourth Proportional to 57,118,710.72, 85,673,875.43 and 18,246,725.58

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Solution

The fourth proportional to 57,118,710.72, 85,673,875.43 and 18,246,725.58 is: 27,368,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,118,710.72 : 85,673,875.43 = 18,246,725.58 : x
  2. Step 2: Convert to fraction form
    57,118,710.72/85,673,875.43 = 18,246,725.58/x
  3. Step 3: Cross multiply
    57,118,710.72x = 85,673,875.43 × 18,246,725.58
  4. Step 4: Simplify right side
    57,118,710.72x = 1,563,267,694,369,655.50
  5. Step 5: Solve for x
    x = 1,563,267,694,369,655.50/57,118,710.72
  6. Step 6: Final answer
    x = 27,368,749.66

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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.