Home / 110,639,398.40-165,959,097.60-53,243,770.40

Finding the Fourth Proportional to 110,639,398.40, 165,959,097.60 and 53,243,770.40

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Solution

The fourth proportional to 110,639,398.40, 165,959,097.60 and 53,243,770.40 is: 79,865,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,639,398.40 : 165,959,097.60 = 53,243,770.40 : x
  2. Step 2: Convert to fraction form
    110,639,398.40/165,959,097.60 = 53,243,770.40/x
  3. Step 3: Cross multiply
    110,639,398.40x = 165,959,097.60 × 53,243,770.40
  4. Step 4: Simplify right side
    110,639,398.40x = 8,836,288,088,405,590
  5. Step 5: Solve for x
    x = 8,836,288,088,405,590/110,639,398.40
  6. Step 6: Final answer
    x = 79,865,655.60

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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.