Home / 172,308,285.66-258,464,677.64-57,292,827.96

Finding the Fourth Proportional to 172,308,285.66, 258,464,677.64 and 57,292,827.96

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Solution

The fourth proportional to 172,308,285.66, 258,464,677.64 and 57,292,827.96 is: 85,939,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,308,285.66 : 258,464,677.64 = 57,292,827.96 : x
  2. Step 2: Convert to fraction form
    172,308,285.66/258,464,677.64 = 57,292,827.96/x
  3. Step 3: Cross multiply
    172,308,285.66x = 258,464,677.64 × 57,292,827.96
  4. Step 4: Simplify right side
    172,308,285.66x = 14,808,172,309,478,914
  5. Step 5: Solve for x
    x = 14,808,172,309,478,914/172,308,285.66
  6. Step 6: Final answer
    x = 85,939,989.78

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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.