Home / 127,920,651.94-176,530,499.77-69,183,316.74

Finding the Fourth Proportional to 127,920,651.94, 176,530,499.77 and 69,183,316.74

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Solution

The fourth proportional to 127,920,651.94, 176,530,499.77 and 69,183,316.74 is: 95,472,977.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,920,651.94 : 176,530,499.77 = 69,183,316.74 : x
  2. Step 2: Convert to fraction form
    127,920,651.94/176,530,499.77 = 69,183,316.74/x
  3. Step 3: Cross multiply
    127,920,651.94x = 176,530,499.77 × 69,183,316.74
  4. Step 4: Simplify right side
    127,920,651.94x = 12,212,965,479,858,406
  5. Step 5: Solve for x
    x = 12,212,965,479,858,406/127,920,651.94
  6. Step 6: Final answer
    x = 95,472,977.16

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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.