Home / 119,356,872,858.48-164,786,833,036.08-75,977,642,842.56

Finding the Fourth Proportional to 119,356,872,858.48, 164,786,833,036.08 and 75,977,642,842.56

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Solution

The fourth proportional to 119,356,872,858.48, 164,786,833,036.08 and 75,977,642,842.56 is: 104,896,474,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,356,872,858.48 : 164,786,833,036.08 = 75,977,642,842.56 : x
  2. Step 2: Convert to fraction form
    119,356,872,858.48/164,786,833,036.08 = 75,977,642,842.56/x
  3. Step 3: Cross multiply
    119,356,872,858.48x = 164,786,833,036.08 × 75,977,642,842.56
  4. Step 4: Simplify right side
    119,356,872,858.48x = 12,520,115,145,571,852,877,824
  5. Step 5: Solve for x
    x = 12,520,115,145,571,852,877,824/119,356,872,858.48
  6. Step 6: Final answer
    x = 104,896,474,293.67

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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.