Home / 108,590,916,223.86-149,876,211,885.81-71,904,324,099.78

Finding the Fourth Proportional to 108,590,916,223.86, 149,876,211,885.81 and 71,904,324,099.78

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Solution

The fourth proportional to 108,590,916,223.86, 149,876,211,885.81 and 71,904,324,099.78 is: 99,241,705,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,590,916,223.86 : 149,876,211,885.81 = 71,904,324,099.78 : x
  2. Step 2: Convert to fraction form
    108,590,916,223.86/149,876,211,885.81 = 71,904,324,099.78/x
  3. Step 3: Cross multiply
    108,590,916,223.86x = 149,876,211,885.81 × 71,904,324,099.78
  4. Step 4: Simplify right side
    108,590,916,223.86x = 10,776,747,714,284,582,076,416
  5. Step 5: Solve for x
    x = 10,776,747,714,284,582,076,416/108,590,916,223.86
  6. Step 6: Final answer
    x = 99,241,705,374.95

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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.