Home / 53,149,088.56-73,345,739.80-28,702,800.40

Finding the Fourth Proportional to 53,149,088.56, 73,345,739.80 and 28,702,800.40

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Solution

The fourth proportional to 53,149,088.56, 73,345,739.80 and 28,702,800.40 is: 39,609,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,149,088.56 : 73,345,739.80 = 28,702,800.40 : x
  2. Step 2: Convert to fraction form
    53,149,088.56/73,345,739.80 = 28,702,800.40/x
  3. Step 3: Cross multiply
    53,149,088.56x = 73,345,739.80 × 28,702,800.40
  4. Step 4: Simplify right side
    53,149,088.56x = 2,105,228,129,669,735.75
  5. Step 5: Solve for x
    x = 2,105,228,129,669,735.75/53,149,088.56
  6. Step 6: Final answer
    x = 39,609,863.25

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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.