Home / 64,497,537.78-89,015,388.15-38,043,364.35

Finding the Fourth Proportional to 64,497,537.78, 89,015,388.15 and 38,043,364.35

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Solution

The fourth proportional to 64,497,537.78, 89,015,388.15 and 38,043,364.35 is: 52,505,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,497,537.78 : 89,015,388.15 = 38,043,364.35 : x
  2. Step 2: Convert to fraction form
    64,497,537.78/89,015,388.15 = 38,043,364.35/x
  3. Step 3: Cross multiply
    64,497,537.78x = 89,015,388.15 × 38,043,364.35
  4. Step 4: Simplify right side
    64,497,537.78x = 3,386,444,844,147,123
  5. Step 5: Solve for x
    x = 3,386,444,844,147,123/64,497,537.78
  6. Step 6: Final answer
    x = 52,505,025.16

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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.