Home / 208,225,092.74-312,372,754.24-70,017,846.44

Finding the Fourth Proportional to 208,225,092.74, 312,372,754.24 and 70,017,846.44

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Solution

The fourth proportional to 208,225,092.74, 312,372,754.24 and 70,017,846.44 is: 105,038,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,225,092.74 : 312,372,754.24 = 70,017,846.44 : x
  2. Step 2: Convert to fraction form
    208,225,092.74/312,372,754.24 = 70,017,846.44/x
  3. Step 3: Cross multiply
    208,225,092.74x = 312,372,754.24 × 70,017,846.44
  4. Step 4: Simplify right side
    208,225,092.74x = 21,871,667,538,416,180
  5. Step 5: Solve for x
    x = 21,871,667,538,416,180/208,225,092.74
  6. Step 6: Final answer
    x = 105,038,577.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.