Home / 72,966,836.75-100,691,227.47-43,614,352.50

Finding the Fourth Proportional to 72,966,836.75, 100,691,227.47 and 43,614,352.50

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Solution

The fourth proportional to 72,966,836.75, 100,691,227.47 and 43,614,352.50 is: 60,186,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,966,836.75 : 100,691,227.47 = 43,614,352.50 : x
  2. Step 2: Convert to fraction form
    72,966,836.75/100,691,227.47 = 43,614,352.50/x
  3. Step 3: Cross multiply
    72,966,836.75x = 100,691,227.47 × 43,614,352.50
  4. Step 4: Simplify right side
    72,966,836.75x = 4,391,582,688,320,225
  5. Step 5: Solve for x
    x = 4,391,582,688,320,225/72,966,836.75
  6. Step 6: Final answer
    x = 60,186,008.94

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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.