Home / 64,647,805.60-97,018,947.60-45,515,929.60

Finding the Fourth Proportional to 64,647,805.60, 97,018,947.60 and 45,515,929.60

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Solution

The fourth proportional to 64,647,805.60, 97,018,947.60 and 45,515,929.60 is: 68,307,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,647,805.60 : 97,018,947.60 = 45,515,929.60 : x
  2. Step 2: Convert to fraction form
    64,647,805.60/97,018,947.60 = 45,515,929.60/x
  3. Step 3: Cross multiply
    64,647,805.60x = 97,018,947.60 × 45,515,929.60
  4. Step 4: Simplify right side
    64,647,805.60x = 4,415,907,588,827,689
  5. Step 5: Solve for x
    x = 4,415,907,588,827,689/64,647,805.60
  6. Step 6: Final answer
    x = 68,307,153.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.