Home / 43,121,917.20-64,682,875.80-17,581,256.40

Finding the Fourth Proportional to 43,121,917.20, 64,682,875.80 and 17,581,256.40

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Solution

The fourth proportional to 43,121,917.20, 64,682,875.80 and 17,581,256.40 is: 26,371,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121,917.20 : 64,682,875.80 = 17,581,256.40 : x
  2. Step 2: Convert to fraction form
    43,121,917.20/64,682,875.80 = 17,581,256.40/x
  3. Step 3: Cross multiply
    43,121,917.20x = 64,682,875.80 × 17,581,256.40
  4. Step 4: Simplify right side
    43,121,917.20x = 1,137,206,224,129,155
  5. Step 5: Solve for x
    x = 1,137,206,224,129,155/43,121,917.20
  6. Step 6: Final answer
    x = 26,371,884.60

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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.