Home / 122,861,424.91-169,547,650.16-67,106,833.72

Finding the Fourth Proportional to 122,861,424.91, 169,547,650.16 and 67,106,833.72

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Solution

The fourth proportional to 122,861,424.91, 169,547,650.16 and 67,106,833.72 is: 92,606,820.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,861,424.91 : 169,547,650.16 = 67,106,833.72 : x
  2. Step 2: Convert to fraction form
    122,861,424.91/169,547,650.16 = 67,106,833.72/x
  3. Step 3: Cross multiply
    122,861,424.91x = 169,547,650.16 × 67,106,833.72
  4. Step 4: Simplify right side
    122,861,424.91x = 11,377,805,966,237,240
  5. Step 5: Solve for x
    x = 11,377,805,966,237,240/122,861,424.91
  6. Step 6: Final answer
    x = 92,606,820.85

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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.