Home / 55,327,708.46-82,995,548.54-21,249,054.34

Finding the Fourth Proportional to 55,327,708.46, 82,995,548.54 and 21,249,054.34

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Solution

The fourth proportional to 55,327,708.46, 82,995,548.54 and 21,249,054.34 is: 31,875,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327,708.46 : 82,995,548.54 = 21,249,054.34 : x
  2. Step 2: Convert to fraction form
    55,327,708.46/82,995,548.54 = 21,249,054.34/x
  3. Step 3: Cross multiply
    55,327,708.46x = 82,995,548.54 × 21,249,054.34
  4. Step 4: Simplify right side
    55,327,708.46x = 1,763,576,920,590,833.25
  5. Step 5: Solve for x
    x = 1,763,576,920,590,833.25/55,327,708.46
  6. Step 6: Final answer
    x = 31,875,112.30

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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.