Home / 101,715,876.96-140,369,664.80-55,306,444.48

Finding the Fourth Proportional to 101,715,876.96, 140,369,664.80 and 55,306,444.48

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Solution

The fourth proportional to 101,715,876.96, 140,369,664.80 and 55,306,444.48 is: 76,323,847.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,715,876.96 : 140,369,664.80 = 55,306,444.48 : x
  2. Step 2: Convert to fraction form
    101,715,876.96/140,369,664.80 = 55,306,444.48/x
  3. Step 3: Cross multiply
    101,715,876.96x = 140,369,664.80 × 55,306,444.48
  4. Step 4: Simplify right side
    101,715,876.96x = 7,763,347,072,937,411
  5. Step 5: Solve for x
    x = 7,763,347,072,937,411/101,715,876.96
  6. Step 6: Final answer
    x = 76,323,847.42

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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.