Home / 108,590,916,225.86-149,876,211,888.58-71,904,324,101.78

Finding the Fourth Proportional to 108,590,916,225.86, 149,876,211,888.58 and 71,904,324,101.78

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Solution

The fourth proportional to 108,590,916,225.86, 149,876,211,888.58 and 71,904,324,101.78 is: 99,241,705,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590,916,225.86 : 149,876,211,888.58 = 71,904,324,101.78 : x
  2. Step 2: Convert to fraction form
    108,590,916,225.86/149,876,211,888.58 = 71,904,324,101.78/x
  3. Step 3: Cross multiply
    108,590,916,225.86x = 149,876,211,888.58 × 71,904,324,101.78
  4. Step 4: Simplify right side
    108,590,916,225.86x = 10,776,747,714,783,507,120,128
  5. Step 5: Solve for x
    x = 10,776,747,714,783,507,120,128/108,590,916,225.86
  6. Step 6: Final answer
    x = 99,241,705,377.72

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1.5x scale

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.