Home / 122,569,126,429.15-169,144,924,824.54-68,375,631,903.52

Finding the Fourth Proportional to 122,569,126,429.15, 169,144,924,824.54 and 68,375,631,903.52

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Solution

The fourth proportional to 122,569,126,429.15, 169,144,924,824.54 and 68,375,631,903.52 is: 94,358,110,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,569,126,429.15 : 169,144,924,824.54 = 68,375,631,903.52 : x
  2. Step 2: Convert to fraction form
    122,569,126,429.15/169,144,924,824.54 = 68,375,631,903.52/x
  3. Step 3: Cross multiply
    122,569,126,429.15x = 169,144,924,824.54 × 68,375,631,903.52
  4. Step 4: Simplify right side
    122,569,126,429.15x = 11,565,391,118,151,310,114,816
  5. Step 5: Solve for x
    x = 11,565,391,118,151,310,114,816/122,569,126,429.15
  6. Step 6: Final answer
    x = 94,358,110,032.19

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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.