Home / 172,195,632,291.60-258,293,448,437.40-79,138,187,427.60

Finding the Fourth Proportional to 172,195,632,291.60, 258,293,448,437.40 and 79,138,187,427.60

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Solution

The fourth proportional to 172,195,632,291.60, 258,293,448,437.40 and 79,138,187,427.60 is: 118,707,281,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,195,632,291.60 : 258,293,448,437.40 = 79,138,187,427.60 : x
  2. Step 2: Convert to fraction form
    172,195,632,291.60/258,293,448,437.40 = 79,138,187,427.60/x
  3. Step 3: Cross multiply
    172,195,632,291.60x = 258,293,448,437.40 × 79,138,187,427.60
  4. Step 4: Simplify right side
    172,195,632,291.60x = 20,440,875,333,760,099,287,040
  5. Step 5: Solve for x
    x = 20,440,875,333,760,099,287,040/172,195,632,291.60
  6. Step 6: Final answer
    x = 118,707,281,141.40

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1.5x scale

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.