Home / 55,335,221.60-83,002,832.40-51,556,085.60

Finding the Fourth Proportional to 55,335,221.60, 83,002,832.40 and 51,556,085.60

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Solution

The fourth proportional to 55,335,221.60, 83,002,832.40 and 51,556,085.60 is: 77,334,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,335,221.60 : 83,002,832.40 = 51,556,085.60 : x
  2. Step 2: Convert to fraction form
    55,335,221.60/83,002,832.40 = 51,556,085.60/x
  3. Step 3: Cross multiply
    55,335,221.60x = 83,002,832.40 × 51,556,085.60
  4. Step 4: Simplify right side
    55,335,221.60x = 4,279,301,132,256,854
  5. Step 5: Solve for x
    x = 4,279,301,132,256,854/55,335,221.60
  6. Step 6: Final answer
    x = 77,334,128.40

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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.