Home / 64,514,986.60-96,770,406.30-21,386,180.20

Finding the Fourth Proportional to 64,514,986.60, 96,770,406.30 and 21,386,180.20

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Solution

The fourth proportional to 64,514,986.60, 96,770,406.30 and 21,386,180.20 is: 32,078,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514,986.60 : 96,770,406.30 = 21,386,180.20 : x
  2. Step 2: Convert to fraction form
    64,514,986.60/96,770,406.30 = 21,386,180.20/x
  3. Step 3: Cross multiply
    64,514,986.60x = 96,770,406.30 × 21,386,180.20
  4. Step 4: Simplify right side
    64,514,986.60x = 2,069,549,347,159,015
  5. Step 5: Solve for x
    x = 2,069,549,347,159,015/64,514,986.60
  6. Step 6: Final answer
    x = 32,078,582.92

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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.