Home / 115,231,580,035.51-159,021,463,095.84-63,087,440,765.33

Finding the Fourth Proportional to 115,231,580,035.51, 159,021,463,095.84 and 63,087,440,765.33

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Solution

The fourth proportional to 115,231,580,035.51, 159,021,463,095.84 and 63,087,440,765.33 is: 87,061,698,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,231,580,035.51 : 159,021,463,095.84 = 63,087,440,765.33 : x
  2. Step 2: Convert to fraction form
    115,231,580,035.51/159,021,463,095.84 = 63,087,440,765.33/x
  3. Step 3: Cross multiply
    115,231,580,035.51x = 159,021,463,095.84 × 63,087,440,765.33
  4. Step 4: Simplify right side
    115,231,580,035.51x = 10,032,257,133,474,278,801,408
  5. Step 5: Solve for x
    x = 10,032,257,133,474,278,801,408/115,231,580,035.51
  6. Step 6: Final answer
    x = 87,061,698,975.08

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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.