Home / 119,268,986.40-178,878,985.20-32,985,712.80

Finding the Fourth Proportional to 119,268,986.40, 178,878,985.20 and 32,985,712.80

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Solution

The fourth proportional to 119,268,986.40, 178,878,985.20 and 32,985,712.80 is: 49,471,794.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,268,986.40 : 178,878,985.20 = 32,985,712.80 : x
  2. Step 2: Convert to fraction form
    119,268,986.40/178,878,985.20 = 32,985,712.80/x
  3. Step 3: Cross multiply
    119,268,986.40x = 178,878,985.20 × 32,985,712.80
  4. Step 4: Simplify right side
    119,268,986.40x = 5,900,450,831,762,650
  5. Step 5: Solve for x
    x = 5,900,450,831,762,650/119,268,986.40
  6. Step 6: Final answer
    x = 49,471,794.89

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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.