Home / 190,245,578,402.16-285,179,871,789.96-89,335,807,520.04

Finding the Fourth Proportional to 190,245,578,402.16, 285,179,871,789.96 and 89,335,807,520.04

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Solution

The fourth proportional to 190,245,578,402.16, 285,179,871,789.96 and 89,335,807,520.04 is: 133,915,197,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,245,578,402.16 : 285,179,871,789.96 = 89,335,807,520.04 : x
  2. Step 2: Convert to fraction form
    190,245,578,402.16/285,179,871,789.96 = 89,335,807,520.04/x
  3. Step 3: Cross multiply
    190,245,578,402.16x = 285,179,871,789.96 × 89,335,807,520.04
  4. Step 4: Simplify right side
    190,245,578,402.16x = 25,476,774,134,817,551,810,560
  5. Step 5: Solve for x
    x = 25,476,774,134,817,551,810,560/190,245,578,402.16
  6. Step 6: Final answer
    x = 133,915,197,129.90

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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.