Home / 121,535,003,247.21-182,285,955,985.23-31,990,498,151.31

Finding the Fourth Proportional to 121,535,003,247.21, 182,285,955,985.23 and 31,990,498,151.31

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Solution

The fourth proportional to 121,535,003,247.21, 182,285,955,985.23 and 31,990,498,151.31 is: 47,981,391,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,535,003,247.21 : 182,285,955,985.23 = 31,990,498,151.31 : x
  2. Step 2: Convert to fraction form
    121,535,003,247.21/182,285,955,985.23 = 31,990,498,151.31/x
  3. Step 3: Cross multiply
    121,535,003,247.21x = 182,285,955,985.23 × 31,990,498,151.31
  4. Step 4: Simplify right side
    121,535,003,247.21x = 5,831,418,537,955,277,406,208
  5. Step 5: Solve for x
    x = 5,831,418,537,955,277,406,208/121,535,003,247.21
  6. Step 6: Final answer
    x = 47,981,391,221.87

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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.