Home / 289,355,027.80-399,300,726.72-165,593,047.72

Finding the Fourth Proportional to 289,355,027.80, 399,300,726.72 and 165,593,047.72

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Solution

The fourth proportional to 289,355,027.80, 399,300,726.72 and 165,593,047.72 is: 228,513,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,355,027.80 : 399,300,726.72 = 165,593,047.72 : x
  2. Step 2: Convert to fraction form
    289,355,027.80/399,300,726.72 = 165,593,047.72/x
  3. Step 3: Cross multiply
    289,355,027.80x = 399,300,726.72 × 165,593,047.72
  4. Step 4: Simplify right side
    289,355,027.80x = 66,121,424,294,375,640
  5. Step 5: Solve for x
    x = 66,121,424,294,375,640/289,355,027.80
  6. Step 6: Final answer
    x = 228,513,134.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.