Home / 525,755,051.01-788,610,649.32-137,569,286.97

Finding the Fourth Proportional to 525,755,051.01, 788,610,649.32 and 137,569,286.97

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Solution

The fourth proportional to 525,755,051.01, 788,610,649.32 and 137,569,286.97 is: 206,348,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,755,051.01 : 788,610,649.32 = 137,569,286.97 : x
  2. Step 2: Convert to fraction form
    525,755,051.01/788,610,649.32 = 137,569,286.97/x
  3. Step 3: Cross multiply
    525,755,051.01x = 788,610,649.32 × 137,569,286.97
  4. Step 4: Simplify right side
    525,755,051.01x = 108,488,604,723,901,120
  5. Step 5: Solve for x
    x = 108,488,604,723,901,120/525,755,051.01
  6. Step 6: Final answer
    x = 206,348,192.98

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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.