Home / 53,187,735.60-79,781,603.40-20,828,883.60

Finding the Fourth Proportional to 53,187,735.60, 79,781,603.40 and 20,828,883.60

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Solution

The fourth proportional to 53,187,735.60, 79,781,603.40 and 20,828,883.60 is: 31,243,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,187,735.60 : 79,781,603.40 = 20,828,883.60 : x
  2. Step 2: Convert to fraction form
    53,187,735.60/79,781,603.40 = 20,828,883.60/x
  3. Step 3: Cross multiply
    53,187,735.60x = 79,781,603.40 × 20,828,883.60
  4. Step 4: Simplify right side
    53,187,735.60x = 1,661,761,730,639,964.50
  5. Step 5: Solve for x
    x = 1,661,761,730,639,964.50/53,187,735.60
  6. Step 6: Final answer
    x = 31,243,325.40

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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.