Home / 122,861,425.41-169,547,650.85-67,106,834.22

Finding the Fourth Proportional to 122,861,425.41, 169,547,650.85 and 67,106,834.22

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Solution

The fourth proportional to 122,861,425.41, 169,547,650.85 and 67,106,834.22 is: 92,606,821.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,861,425.41 : 169,547,650.85 = 67,106,834.22 : x
  2. Step 2: Convert to fraction form
    122,861,425.41/169,547,650.85 = 67,106,834.22/x
  3. Step 3: Cross multiply
    122,861,425.41x = 169,547,650.85 × 67,106,834.22
  4. Step 4: Simplify right side
    122,861,425.41x = 11,377,806,097,133,654
  5. Step 5: Solve for x
    x = 11,377,806,097,133,654/122,861,425.41
  6. Step 6: Final answer
    x = 92,606,821.54

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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.