Home / 76,233,088.50-105,215,833.98-43,638,040.50

Finding the Fourth Proportional to 76,233,088.50, 105,215,833.98 and 43,638,040.50

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Solution

The fourth proportional to 76,233,088.50, 105,215,833.98 and 43,638,040.50 is: 60,228,608.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,233,088.50 : 105,215,833.98 = 43,638,040.50 : x
  2. Step 2: Convert to fraction form
    76,233,088.50/105,215,833.98 = 43,638,040.50/x
  3. Step 3: Cross multiply
    76,233,088.50x = 105,215,833.98 × 43,638,040.50
  4. Step 4: Simplify right side
    76,233,088.50x = 4,591,412,824,460,516
  5. Step 5: Solve for x
    x = 4,591,412,824,460,516/76,233,088.50
  6. Step 6: Final answer
    x = 60,228,608.27

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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.