Home / 134,347,495.78-185,456,750.88-90,320,028.94

Finding the Fourth Proportional to 134,347,495.78, 185,456,750.88 and 90,320,028.94

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Solution

The fourth proportional to 134,347,495.78, 185,456,750.88 and 90,320,028.94 is: 124,680,099.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,347,495.78 : 185,456,750.88 = 90,320,028.94 : x
  2. Step 2: Convert to fraction form
    134,347,495.78/185,456,750.88 = 90,320,028.94/x
  3. Step 3: Cross multiply
    134,347,495.78x = 185,456,750.88 × 90,320,028.94
  4. Step 4: Simplify right side
    134,347,495.78x = 16,750,459,106,599,970
  5. Step 5: Solve for x
    x = 16,750,459,106,599,970/134,347,495.78
  6. Step 6: Final answer
    x = 124,680,099.24

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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.