Home / 122,531,312.12-169,093,208.07-67,527,168.62

Finding the Fourth Proportional to 122,531,312.12, 169,093,208.07 and 67,527,168.62

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Solution

The fourth proportional to 122,531,312.12, 169,093,208.07 and 67,527,168.62 is: 93,187,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,531,312.12 : 169,093,208.07 = 67,527,168.62 : x
  2. Step 2: Convert to fraction form
    122,531,312.12/169,093,208.07 = 67,527,168.62/x
  3. Step 3: Cross multiply
    122,531,312.12x = 169,093,208.07 × 67,527,168.62
  4. Step 4: Simplify right side
    122,531,312.12x = 11,418,385,572,994,168
  5. Step 5: Solve for x
    x = 11,418,385,572,994,168/122,531,312.12
  6. Step 6: Final answer
    x = 93,187,491.23

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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.