Home / 293,191,497.20-439,507,309.80-108,909,628.40

Finding the Fourth Proportional to 293,191,497.20, 439,507,309.80 and 108,909,628.40

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Solution

The fourth proportional to 293,191,497.20, 439,507,309.80 and 108,909,628.40 is: 163,260,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,191,497.20 : 439,507,309.80 = 108,909,628.40 : x
  2. Step 2: Convert to fraction form
    293,191,497.20/439,507,309.80 = 108,909,628.40/x
  3. Step 3: Cross multiply
    293,191,497.20x = 439,507,309.80 × 108,909,628.40
  4. Step 4: Simplify right side
    293,191,497.20x = 47,866,577,789,401,680
  5. Step 5: Solve for x
    x = 47,866,577,789,401,680/293,191,497.20
  6. Step 6: Final answer
    x = 163,260,456.89

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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.