Home / 57,808,555.71-86,678,203.05-18,399,787.11

Finding the Fourth Proportional to 57,808,555.71, 86,678,203.05 and 18,399,787.11

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Solution

The fourth proportional to 57,808,555.71, 86,678,203.05 and 18,399,787.11 is: 27,588,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,808,555.71 : 86,678,203.05 = 18,399,787.11 : x
  2. Step 2: Convert to fraction form
    57,808,555.71/86,678,203.05 = 18,399,787.11/x
  3. Step 3: Cross multiply
    57,808,555.71x = 86,678,203.05 × 18,399,787.11
  4. Step 4: Simplify right side
    57,808,555.71x = 1,594,860,483,197,352.50
  5. Step 5: Solve for x
    x = 1,594,860,483,197,352.50/57,808,555.71
  6. Step 6: Final answer
    x = 27,588,658.18

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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.