Home / 122,861,448.50-169,547,682.66-67,106,857.28

Finding the Fourth Proportional to 122,861,448.50, 169,547,682.66 and 67,106,857.28

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Solution

The fourth proportional to 122,861,448.50, 169,547,682.66 and 67,106,857.28 is: 92,606,853.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,861,448.50 : 169,547,682.66 = 67,106,857.28 : x
  2. Step 2: Convert to fraction form
    122,861,448.50/169,547,682.66 = 67,106,857.28/x
  3. Step 3: Cross multiply
    122,861,448.50x = 169,547,682.66 × 67,106,857.28
  4. Step 4: Simplify right side
    122,861,448.50x = 11,377,812,142,419,350
  5. Step 5: Solve for x
    x = 11,377,812,142,419,350/122,861,448.50
  6. Step 6: Final answer
    x = 92,606,853.34

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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.