Home / 55,898,390.20-83,797,721.70-21,811,808.20

Finding the Fourth Proportional to 55,898,390.20, 83,797,721.70 and 21,811,808.20

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Solution

The fourth proportional to 55,898,390.20, 83,797,721.70 and 21,811,808.20 is: 32,698,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,898,390.20 : 83,797,721.70 = 21,811,808.20 : x
  2. Step 2: Convert to fraction form
    55,898,390.20/83,797,721.70 = 21,811,808.20/x
  3. Step 3: Cross multiply
    55,898,390.20x = 83,797,721.70 × 21,811,808.20
  4. Step 4: Simplify right side
    55,898,390.20x = 1,827,779,833,317,378
  5. Step 5: Solve for x
    x = 1,827,779,833,317,378/55,898,390.20
  6. Step 6: Final answer
    x = 32,698,255.29

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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.