Home / 64,514,820.80-96,772,231.20-53,168,081.60

Finding the Fourth Proportional to 64,514,820.80, 96,772,231.20 and 53,168,081.60

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Solution

The fourth proportional to 64,514,820.80, 96,772,231.20 and 53,168,081.60 is: 79,752,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514,820.80 : 96,772,231.20 = 53,168,081.60 : x
  2. Step 2: Convert to fraction form
    64,514,820.80/96,772,231.20 = 53,168,081.60/x
  3. Step 3: Cross multiply
    64,514,820.80x = 96,772,231.20 × 53,168,081.60
  4. Step 4: Simplify right side
    64,514,820.80x = 5,145,193,885,055,666
  5. Step 5: Solve for x
    x = 5,145,193,885,055,666/64,514,820.80
  6. Step 6: Final answer
    x = 79,752,122.40

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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.