Home / 64,378,384.80-96,567,577.20-57,323,997.60

Finding the Fourth Proportional to 64,378,384.80, 96,567,577.20 and 57,323,997.60

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Solution

The fourth proportional to 64,378,384.80, 96,567,577.20 and 57,323,997.60 is: 85,985,996.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,378,384.80 : 96,567,577.20 = 57,323,997.60 : x
  2. Step 2: Convert to fraction form
    64,378,384.80/96,567,577.20 = 57,323,997.60/x
  3. Step 3: Cross multiply
    64,378,384.80x = 96,567,577.20 × 57,323,997.60
  4. Step 4: Simplify right side
    64,378,384.80x = 5,535,639,563,650,615
  5. Step 5: Solve for x
    x = 5,535,639,563,650,615/64,378,384.80
  6. Step 6: Final answer
    x = 85,985,996.40

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1.5x scale

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.