Home / 119,624,744.72-165,112,860.63-77,912,749.82

Finding the Fourth Proportional to 119,624,744.72, 165,112,860.63 and 77,912,749.82

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Solution

The fourth proportional to 119,624,744.72, 165,112,860.63 and 77,912,749.82 is: 107,539,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,624,744.72 : 165,112,860.63 = 77,912,749.82 : x
  2. Step 2: Convert to fraction form
    119,624,744.72/165,112,860.63 = 77,912,749.82/x
  3. Step 3: Cross multiply
    119,624,744.72x = 165,112,860.63 × 77,912,749.82
  4. Step 4: Simplify right side
    119,624,744.72x = 12,864,397,001,504,152
  5. Step 5: Solve for x
    x = 12,864,397,001,504,152/119,624,744.72
  6. Step 6: Final answer
    x = 107,539,598.37

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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.