Home / 122,569,126,427.40-169,144,924,822.14-68,375,631,901.77

Finding the Fourth Proportional to 122,569,126,427.40, 169,144,924,822.14 and 68,375,631,901.77

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Solution

The fourth proportional to 122,569,126,427.40, 169,144,924,822.14 and 68,375,631,901.77 is: 94,358,110,029.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,569,126,427.40 : 169,144,924,822.14 = 68,375,631,901.77 : x
  2. Step 2: Convert to fraction form
    122,569,126,427.40/169,144,924,822.14 = 68,375,631,901.77/x
  3. Step 3: Cross multiply
    122,569,126,427.40x = 169,144,924,822.14 × 68,375,631,901.77
  4. Step 4: Simplify right side
    122,569,126,427.40x = 11,565,391,117,691,205,451,776
  5. Step 5: Solve for x
    x = 11,565,391,117,691,205,451,776/122,569,126,427.40
  6. Step 6: Final answer
    x = 94,358,110,029.78

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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.