Home / 172,197,289.40-258,219,945.41-49,347,726.66

Finding the Fourth Proportional to 172,197,289.40, 258,219,945.41 and 49,347,726.66

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Solution

The fourth proportional to 172,197,289.40, 258,219,945.41 and 49,347,726.66 is: 73,999,813.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,197,289.40 : 258,219,945.41 = 49,347,726.66 : x
  2. Step 2: Convert to fraction form
    172,197,289.40/258,219,945.41 = 49,347,726.66/x
  3. Step 3: Cross multiply
    172,197,289.40x = 258,219,945.41 × 49,347,726.66
  4. Step 4: Simplify right side
    172,197,289.40x = 12,742,567,284,006,062
  5. Step 5: Solve for x
    x = 12,742,567,284,006,062/172,197,289.40
  6. Step 6: Final answer
    x = 73,999,813.40

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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.