Home / 82,046,977.60-123,089,128.80-47,950,772.80

Finding the Fourth Proportional to 82,046,977.60, 123,089,128.80 and 47,950,772.80

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Solution

The fourth proportional to 82,046,977.60, 123,089,128.80 and 47,950,772.80 is: 71,937,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046,977.60 : 123,089,128.80 = 47,950,772.80 : x
  2. Step 2: Convert to fraction form
    82,046,977.60/123,089,128.80 = 47,950,772.80/x
  3. Step 3: Cross multiply
    82,046,977.60x = 123,089,128.80 × 47,950,772.80
  4. Step 4: Simplify right side
    82,046,977.60x = 5,902,218,849,238,736
  5. Step 5: Solve for x
    x = 5,902,218,849,238,736/82,046,977.60
  6. Step 6: Final answer
    x = 71,937,066.08

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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.