Home / 63,574,862.40-87,730,716.96-36,072,198.72

Finding the Fourth Proportional to 63,574,862.40, 87,730,716.96 and 36,072,198.72

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Solution

The fourth proportional to 63,574,862.40, 87,730,716.96 and 36,072,198.72 is: 49,778,162.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,574,862.40 : 87,730,716.96 = 36,072,198.72 : x
  2. Step 2: Convert to fraction form
    63,574,862.40/87,730,716.96 = 36,072,198.72/x
  3. Step 3: Cross multiply
    63,574,862.40x = 87,730,716.96 × 36,072,198.72
  4. Step 4: Simplify right side
    63,574,862.40x = 3,164,639,856,029,194
  5. Step 5: Solve for x
    x = 3,164,639,856,029,194/63,574,862.40
  6. Step 6: Final answer
    x = 49,778,162.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.