Home / 64,622,106.54-89,166,310.34-38,519,053.20

Finding the Fourth Proportional to 64,622,106.54, 89,166,310.34 and 38,519,053.20

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Solution

The fourth proportional to 64,622,106.54, 89,166,310.34 and 38,519,053.20 is: 53,149,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,622,106.54 : 89,166,310.34 = 38,519,053.20 : x
  2. Step 2: Convert to fraction form
    64,622,106.54/89,166,310.34 = 38,519,053.20/x
  3. Step 3: Cross multiply
    64,622,106.54x = 89,166,310.34 × 38,519,053.20
  4. Step 4: Simplify right side
    64,622,106.54x = 3,434,601,851,441,575
  5. Step 5: Solve for x
    x = 3,434,601,851,441,575/64,622,106.54
  6. Step 6: Final answer
    x = 53,149,023.38

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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.