Home / 151,741,740.37-209,408,679.42-92,993,060.12

Finding the Fourth Proportional to 151,741,740.37, 209,408,679.42 and 92,993,060.12

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Solution

The fourth proportional to 151,741,740.37, 209,408,679.42 and 92,993,060.12 is: 128,333,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,741,740.37 : 209,408,679.42 = 92,993,060.12 : x
  2. Step 2: Convert to fraction form
    151,741,740.37/209,408,679.42 = 92,993,060.12/x
  3. Step 3: Cross multiply
    151,741,740.37x = 209,408,679.42 × 92,993,060.12
  4. Step 4: Simplify right side
    151,741,740.37x = 19,473,553,914,736,024
  5. Step 5: Solve for x
    x = 19,473,553,914,736,024/151,741,740.37
  6. Step 6: Final answer
    x = 128,333,534.78

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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.