Home / 122,861,425.66-169,547,651.20-67,106,834.47

Finding the Fourth Proportional to 122,861,425.66, 169,547,651.20 and 67,106,834.47

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Solution

The fourth proportional to 122,861,425.66, 169,547,651.20 and 67,106,834.47 is: 92,606,821.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,861,425.66 : 169,547,651.20 = 67,106,834.47 : x
  2. Step 2: Convert to fraction form
    122,861,425.66/169,547,651.20 = 67,106,834.47/x
  3. Step 3: Cross multiply
    122,861,425.66x = 169,547,651.20 × 67,106,834.47
  4. Step 4: Simplify right side
    122,861,425.66x = 11,377,806,163,264,060
  5. Step 5: Solve for x
    x = 11,377,806,163,264,060/122,861,425.66
  6. Step 6: Final answer
    x = 92,606,821.89

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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.