Home / 55,134,021.40-82,701,032.10-36,639,874.60

Finding the Fourth Proportional to 55,134,021.40, 82,701,032.10 and 36,639,874.60

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Solution

The fourth proportional to 55,134,021.40, 82,701,032.10 and 36,639,874.60 is: 54,959,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134,021.40 : 82,701,032.10 = 36,639,874.60 : x
  2. Step 2: Convert to fraction form
    55,134,021.40/82,701,032.10 = 36,639,874.60/x
  3. Step 3: Cross multiply
    55,134,021.40x = 82,701,032.10 × 36,639,874.60
  4. Step 4: Simplify right side
    55,134,021.40x = 3,030,155,445,434,574.50
  5. Step 5: Solve for x
    x = 3,030,155,445,434,574.50/55,134,021.40
  6. Step 6: Final answer
    x = 54,959,811.90

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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.