Home / 39,142,821.40-58,714,232.10-31,080,664.60

Finding the Fourth Proportional to 39,142,821.40, 58,714,232.10 and 31,080,664.60

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Solution

The fourth proportional to 39,142,821.40, 58,714,232.10 and 31,080,664.60 is: 46,620,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142,821.40 : 58,714,232.10 = 31,080,664.60 : x
  2. Step 2: Convert to fraction form
    39,142,821.40/58,714,232.10 = 31,080,664.60/x
  3. Step 3: Cross multiply
    39,142,821.40x = 58,714,232.10 × 31,080,664.60
  4. Step 4: Simplify right side
    39,142,821.40x = 1,824,877,355,146,653.75
  5. Step 5: Solve for x
    x = 1,824,877,355,146,653.75/39,142,821.40
  6. Step 6: Final answer
    x = 46,620,996.90

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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.