Home / 122,569,126,499.37-169,144,924,921.24-68,375,631,973.82

Finding the Fourth Proportional to 122,569,126,499.37, 169,144,924,921.24 and 68,375,631,973.82

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Solution

The fourth proportional to 122,569,126,499.37, 169,144,924,921.24 and 68,375,631,973.82 is: 94,358,110,129.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,569,126,499.37 : 169,144,924,921.24 = 68,375,631,973.82 : x
  2. Step 2: Convert to fraction form
    122,569,126,499.37/169,144,924,921.24 = 68,375,631,973.82/x
  3. Step 3: Cross multiply
    122,569,126,499.37x = 169,144,924,921.24 × 68,375,631,973.82
  4. Step 4: Simplify right side
    122,569,126,499.37x = 11,565,391,136,653,274,251,264
  5. Step 5: Solve for x
    x = 11,565,391,136,653,274,251,264/122,569,126,499.37
  6. Step 6: Final answer
    x = 94,358,110,129.08

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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.