Home / 64,158,701.37-96,199,619.48-20,420,567.31

Finding the Fourth Proportional to 64,158,701.37, 96,199,619.48 and 20,420,567.31

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Solution

The fourth proportional to 64,158,701.37, 96,199,619.48 and 20,420,567.31 is: 30,618,618.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,158,701.37 : 96,199,619.48 = 20,420,567.31 : x
  2. Step 2: Convert to fraction form
    64,158,701.37/96,199,619.48 = 20,420,567.31/x
  3. Step 3: Cross multiply
    64,158,701.37x = 96,199,619.48 × 20,420,567.31
  4. Step 4: Simplify right side
    64,158,701.37x = 1,964,450,804,685,624
  5. Step 5: Solve for x
    x = 1,964,450,804,685,624/64,158,701.37
  6. Step 6: Final answer
    x = 30,618,618.56

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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.