Home / 122,693,779.72-169,311,503.58-66,935,882.87

Finding the Fourth Proportional to 122,693,779.72, 169,311,503.58 and 66,935,882.87

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Solution

The fourth proportional to 122,693,779.72, 169,311,503.58 and 66,935,882.87 is: 92,368,292.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,693,779.72 : 169,311,503.58 = 66,935,882.87 : x
  2. Step 2: Convert to fraction form
    122,693,779.72/169,311,503.58 = 66,935,882.87/x
  3. Step 3: Cross multiply
    122,693,779.72x = 169,311,503.58 × 66,935,882.87
  4. Step 4: Simplify right side
    122,693,779.72x = 11,333,014,972,664,194
  5. Step 5: Solve for x
    x = 11,333,014,972,664,194/122,693,779.72
  6. Step 6: Final answer
    x = 92,368,292.82

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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.