Home / 64,687,907.80-96,999,493.74-21,542,071.96

Finding the Fourth Proportional to 64,687,907.80, 96,999,493.74 and 21,542,071.96

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Solution

The fourth proportional to 64,687,907.80, 96,999,493.74 and 21,542,071.96 is: 32,302,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,687,907.80 : 96,999,493.74 = 21,542,071.96 : x
  2. Step 2: Convert to fraction form
    64,687,907.80/96,999,493.74 = 21,542,071.96/x
  3. Step 3: Cross multiply
    64,687,907.80x = 96,999,493.74 × 21,542,071.96
  4. Step 4: Simplify right side
    64,687,907.80x = 2,089,570,074,230,649.50
  5. Step 5: Solve for x
    x = 2,089,570,074,230,649.50/64,687,907.80
  6. Step 6: Final answer
    x = 32,302,328.91

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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.