Home / 55,605,703.80-83,358,789.30-21,515,719.80

Finding the Fourth Proportional to 55,605,703.80, 83,358,789.30 and 21,515,719.80

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Solution

The fourth proportional to 55,605,703.80, 83,358,789.30 and 21,515,719.80 is: 32,254,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,605,703.80 : 83,358,789.30 = 21,515,719.80 : x
  2. Step 2: Convert to fraction form
    55,605,703.80/83,358,789.30 = 21,515,719.80/x
  3. Step 3: Cross multiply
    55,605,703.80x = 83,358,789.30 × 21,515,719.80
  4. Step 4: Simplify right side
    55,605,703.80x = 1,793,524,353,446,038.25
  5. Step 5: Solve for x
    x = 1,793,524,353,446,038.25/55,605,703.80
  6. Step 6: Final answer
    x = 32,254,323.40

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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.