Home / 121,075,323.88-167,088,964.26-68,873,555.56

Finding the Fourth Proportional to 121,075,323.88, 167,088,964.26 and 68,873,555.56

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Solution

The fourth proportional to 121,075,323.88, 167,088,964.26 and 68,873,555.56 is: 95,048,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,075,323.88 : 167,088,964.26 = 68,873,555.56 : x
  2. Step 2: Convert to fraction form
    121,075,323.88/167,088,964.26 = 68,873,555.56/x
  3. Step 3: Cross multiply
    121,075,323.88x = 167,088,964.26 × 68,873,555.56
  4. Step 4: Simplify right side
    121,075,323.88x = 11,508,011,063,423,964
  5. Step 5: Solve for x
    x = 11,508,011,063,423,964/121,075,323.88
  6. Step 6: Final answer
    x = 95,048,360.76

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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.