Home / 170,521,353-255,672,056.97-66,901,030.64

Finding the Fourth Proportional to 170,521,353, 255,672,056.97 and 66,901,030.64

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Solution

The fourth proportional to 170,521,353, 255,672,056.97 and 66,901,030.64 is: 100,308,400.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,521,353 : 255,672,056.97 = 66,901,030.64 : x
  2. Step 2: Convert to fraction form
    170,521,353/255,672,056.97 = 66,901,030.64/x
  3. Step 3: Cross multiply
    170,521,353x = 255,672,056.97 × 66,901,030.64
  4. Step 4: Simplify right side
    170,521,353x = 17,104,724,115,863,434
  5. Step 5: Solve for x
    x = 17,104,724,115,863,434/170,521,353
  6. Step 6: Final answer
    x = 100,308,400.18

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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.