Home / 140,083,044.48-193,366,186.81-84,331,056.33

Finding the Fourth Proportional to 140,083,044.48, 193,366,186.81 and 84,331,056.33

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Solution

The fourth proportional to 140,083,044.48, 193,366,186.81 and 84,331,056.33 is: 116,407,912.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083,044.48 : 193,366,186.81 = 84,331,056.33 : x
  2. Step 2: Convert to fraction form
    140,083,044.48/193,366,186.81 = 84,331,056.33/x
  3. Step 3: Cross multiply
    140,083,044.48x = 193,366,186.81 × 84,331,056.33
  4. Step 4: Simplify right side
    140,083,044.48x = 16,306,774,791,980,586
  5. Step 5: Solve for x
    x = 16,306,774,791,980,586/140,083,044.48
  6. Step 6: Final answer
    x = 116,407,912.55

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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.