Home / 354,426,790.55-531,635,909.31-92,088,128.27

Finding the Fourth Proportional to 354,426,790.55, 531,635,909.31 and 92,088,128.27

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Solution

The fourth proportional to 354,426,790.55, 531,635,909.31 and 92,088,128.27 is: 138,131,081.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,426,790.55 : 531,635,909.31 = 92,088,128.27 : x
  2. Step 2: Convert to fraction form
    354,426,790.55/531,635,909.31 = 92,088,128.27/x
  3. Step 3: Cross multiply
    354,426,790.55x = 531,635,909.31 × 92,088,128.27
  4. Step 4: Simplify right side
    354,426,790.55x = 48,957,355,810,806,456
  5. Step 5: Solve for x
    x = 48,957,355,810,806,456/354,426,790.55
  6. Step 6: Final answer
    x = 138,131,081.27

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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.