Home / 122,879,638.11-169,573,383.59-67,875,494.61

Finding the Fourth Proportional to 122,879,638.11, 169,573,383.59 and 67,875,494.61

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Solution

The fourth proportional to 122,879,638.11, 169,573,383.59 and 67,875,494.61 is: 93,667,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,879,638.11 : 169,573,383.59 = 67,875,494.61 : x
  2. Step 2: Convert to fraction form
    122,879,638.11/169,573,383.59 = 67,875,494.61/x
  3. Step 3: Cross multiply
    122,879,638.11x = 169,573,383.59 × 67,875,494.61
  4. Step 4: Simplify right side
    122,879,638.11x = 11,509,877,283,523,130
  5. Step 5: Solve for x
    x = 11,509,877,283,523,130/122,879,638.11
  6. Step 6: Final answer
    x = 93,667,896.98

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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.