Home / 56,634,356.80-84,984,712.80-20,736,193.60

Finding the Fourth Proportional to 56,634,356.80, 84,984,712.80 and 20,736,193.60

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Solution

The fourth proportional to 56,634,356.80, 84,984,712.80 and 20,736,193.60 is: 31,116,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,634,356.80 : 84,984,712.80 = 20,736,193.60 : x
  2. Step 2: Convert to fraction form
    56,634,356.80/84,984,712.80 = 20,736,193.60/x
  3. Step 3: Cross multiply
    56,634,356.80x = 84,984,712.80 × 20,736,193.60
  4. Step 4: Simplify right side
    56,634,356.80x = 1,762,259,457,661,198.25
  5. Step 5: Solve for x
    x = 1,762,259,457,661,198.25/56,634,356.80
  6. Step 6: Final answer
    x = 31,116,438.10

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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.