Home / 131,573,403.64-181,572,733.86-72,837,049.96

Finding the Fourth Proportional to 131,573,403.64, 181,572,733.86 and 72,837,049.96

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Solution

The fourth proportional to 131,573,403.64, 181,572,733.86 and 72,837,049.96 is: 100,515,924.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,573,403.64 : 181,572,733.86 = 72,837,049.96 : x
  2. Step 2: Convert to fraction form
    131,573,403.64/181,572,733.86 = 72,837,049.96/x
  3. Step 3: Cross multiply
    131,573,403.64x = 181,572,733.86 × 72,837,049.96
  4. Step 4: Simplify right side
    131,573,403.64x = 13,225,222,287,534,604
  5. Step 5: Solve for x
    x = 13,225,222,287,534,604/131,573,403.64
  6. Step 6: Final answer
    x = 100,515,924.36

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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.