Home / 122,861,427.66-169,547,653.96-67,106,836.47

Finding the Fourth Proportional to 122,861,427.66, 169,547,653.96 and 67,106,836.47

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Solution

The fourth proportional to 122,861,427.66, 169,547,653.96 and 67,106,836.47 is: 92,606,824.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,861,427.66 : 169,547,653.96 = 67,106,836.47 : x
  2. Step 2: Convert to fraction form
    122,861,427.66/169,547,653.96 = 67,106,836.47/x
  3. Step 3: Cross multiply
    122,861,427.66x = 169,547,653.96 × 67,106,836.47
  4. Step 4: Simplify right side
    122,861,427.66x = 11,377,806,688,165,868
  5. Step 5: Solve for x
    x = 11,377,806,688,165,868/122,861,427.66
  6. Step 6: Final answer
    x = 92,606,824.65

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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.