Home / 74,128,232.22-102,296,783.34-40,637,651.46

Finding the Fourth Proportional to 74,128,232.22, 102,296,783.34 and 40,637,651.46

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Solution

The fourth proportional to 74,128,232.22, 102,296,783.34 and 40,637,651.46 is: 56,079,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,128,232.22 : 102,296,783.34 = 40,637,651.46 : x
  2. Step 2: Convert to fraction form
    74,128,232.22/102,296,783.34 = 40,637,651.46/x
  3. Step 3: Cross multiply
    74,128,232.22x = 102,296,783.34 × 40,637,651.46
  4. Step 4: Simplify right side
    74,128,232.22x = 4,157,101,026,850,055
  5. Step 5: Solve for x
    x = 4,157,101,026,850,055/74,128,232.22
  6. Step 6: Final answer
    x = 56,079,861.91

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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.