Home / 64,514,860.80-96,772,291.20-53,168,121.60

Finding the Fourth Proportional to 64,514,860.80, 96,772,291.20 and 53,168,121.60

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Solution

The fourth proportional to 64,514,860.80, 96,772,291.20 and 53,168,121.60 is: 79,752,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514,860.80 : 96,772,291.20 = 53,168,121.60 : x
  2. Step 2: Convert to fraction form
    64,514,860.80/96,772,291.20 = 53,168,121.60/x
  3. Step 3: Cross multiply
    64,514,860.80x = 96,772,291.20 × 53,168,121.60
  4. Step 4: Simplify right side
    64,514,860.80x = 5,145,200,946,032,210
  5. Step 5: Solve for x
    x = 5,145,200,946,032,210/64,514,860.80
  6. Step 6: Final answer
    x = 79,752,182.40

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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.