Home / 42,768,004.80-64,139,565.60-23,607,940.80

Finding the Fourth Proportional to 42,768,004.80, 64,139,565.60 and 23,607,940.80

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Solution

The fourth proportional to 42,768,004.80, 64,139,565.60 and 23,607,940.80 is: 35,405,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,004.80 : 64,139,565.60 = 23,607,940.80 : x
  2. Step 2: Convert to fraction form
    42,768,004.80/64,139,565.60 = 23,607,940.80/x
  3. Step 3: Cross multiply
    42,768,004.80x = 64,139,565.60 × 23,607,940.80
  4. Step 4: Simplify right side
    42,768,004.80x = 1,514,203,067,622,516.50
  5. Step 5: Solve for x
    x = 1,514,203,067,622,516.50/42,768,004.80
  6. Step 6: Final answer
    x = 35,405,043.44

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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.