Home / 55,326,048.51-83,030,591.57-20,816,484.31

Finding the Fourth Proportional to 55,326,048.51, 83,030,591.57 and 20,816,484.31

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Solution

The fourth proportional to 55,326,048.51, 83,030,591.57 and 20,816,484.31 is: 31,240,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326,048.51 : 83,030,591.57 = 20,816,484.31 : x
  2. Step 2: Convert to fraction form
    55,326,048.51/83,030,591.57 = 20,816,484.31/x
  3. Step 3: Cross multiply
    55,326,048.51x = 83,030,591.57 × 20,816,484.31
  4. Step 4: Simplify right side
    55,326,048.51x = 1,728,405,006,666,923
  5. Step 5: Solve for x
    x = 1,728,405,006,666,923/55,326,048.51
  6. Step 6: Final answer
    x = 31,240,347.96

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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.