Home / 64,121,790.60-96,173,354.70-18,678,846.60

Finding the Fourth Proportional to 64,121,790.60, 96,173,354.70 and 18,678,846.60

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Solution

The fourth proportional to 64,121,790.60, 96,173,354.70 and 18,678,846.60 is: 28,015,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121,790.60 : 96,173,354.70 = 18,678,846.60 : x
  2. Step 2: Convert to fraction form
    64,121,790.60/96,173,354.70 = 18,678,846.60/x
  3. Step 3: Cross multiply
    64,121,790.60x = 96,173,354.70 × 18,678,846.60
  4. Step 4: Simplify right side
    64,121,790.60x = 1,796,407,339,448,689.25
  5. Step 5: Solve for x
    x = 1,796,407,339,448,689.25/64,121,790.60
  6. Step 6: Final answer
    x = 28,015,551.70

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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.