Home / 53,639,711.70-80,459,567.55-19,562,169.30

Finding the Fourth Proportional to 53,639,711.70, 80,459,567.55 and 19,562,169.30

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Solution

The fourth proportional to 53,639,711.70, 80,459,567.55 and 19,562,169.30 is: 29,343,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,639,711.70 : 80,459,567.55 = 19,562,169.30 : x
  2. Step 2: Convert to fraction form
    53,639,711.70/80,459,567.55 = 19,562,169.30/x
  3. Step 3: Cross multiply
    53,639,711.70x = 80,459,567.55 × 19,562,169.30
  4. Step 4: Simplify right side
    53,639,711.70x = 1,573,963,682,217,886.25
  5. Step 5: Solve for x
    x = 1,573,963,682,217,886.25/53,639,711.70
  6. Step 6: Final answer
    x = 29,343,253.95

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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.