Home / 43,507,210.86-65,289,566.43-20,484,729.09

Finding the Fourth Proportional to 43,507,210.86, 65,289,566.43 and 20,484,729.09

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Solution

The fourth proportional to 43,507,210.86, 65,289,566.43 and 20,484,729.09 is: 30,740,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,507,210.86 : 65,289,566.43 = 20,484,729.09 : x
  2. Step 2: Convert to fraction form
    43,507,210.86/65,289,566.43 = 20,484,729.09/x
  3. Step 3: Cross multiply
    43,507,210.86x = 65,289,566.43 × 20,484,729.09
  4. Step 4: Simplify right side
    43,507,210.86x = 1,337,439,080,722,108.50
  5. Step 5: Solve for x
    x = 1,337,439,080,722,108.50/43,507,210.86
  6. Step 6: Final answer
    x = 30,740,630.21

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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.