Home / 55,473,999.40-83,186,115.90-21,384,015.40

Finding the Fourth Proportional to 55,473,999.40, 83,186,115.90 and 21,384,015.40

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Solution

The fourth proportional to 55,473,999.40, 83,186,115.90 and 21,384,015.40 is: 32,066,431.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,473,999.40 : 83,186,115.90 = 21,384,015.40 : x
  2. Step 2: Convert to fraction form
    55,473,999.40/83,186,115.90 = 21,384,015.40/x
  3. Step 3: Cross multiply
    55,473,999.40x = 83,186,115.90 × 21,384,015.40
  4. Step 4: Simplify right side
    55,473,999.40x = 1,778,853,183,471,784.75
  5. Step 5: Solve for x
    x = 1,778,853,183,471,784.75/55,473,999.40
  6. Step 6: Final answer
    x = 32,066,431.17

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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.