Home / 57,808,569.21-86,678,223.30-18,399,800.58

Finding the Fourth Proportional to 57,808,569.21, 86,678,223.30 and 18,399,800.58

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Solution

The fourth proportional to 57,808,569.21, 86,678,223.30 and 18,399,800.58 is: 27,588,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,808,569.21 : 86,678,223.30 = 18,399,800.58 : x
  2. Step 2: Convert to fraction form
    57,808,569.21/86,678,223.30 = 18,399,800.58/x
  3. Step 3: Cross multiply
    57,808,569.21x = 86,678,223.30 × 18,399,800.58
  4. Step 4: Simplify right side
    57,808,569.21x = 1,594,862,023,348,709.25
  5. Step 5: Solve for x
    x = 1,594,862,023,348,709.25/57,808,569.21
  6. Step 6: Final answer
    x = 27,588,678.38

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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.