Home / 109,044,111,999.80-163,566,167,999.70-71,821,134,054.20

Finding the Fourth Proportional to 109,044,111,999.80, 163,566,167,999.70 and 71,821,134,054.20

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Solution

The fourth proportional to 109,044,111,999.80, 163,566,167,999.70 and 71,821,134,054.20 is: 107,731,701,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,044,111,999.80 : 163,566,167,999.70 = 71,821,134,054.20 : x
  2. Step 2: Convert to fraction form
    109,044,111,999.80/163,566,167,999.70 = 71,821,134,054.20/x
  3. Step 3: Cross multiply
    109,044,111,999.80x = 163,566,167,999.70 × 71,821,134,054.20
  4. Step 4: Simplify right side
    109,044,111,999.80x = 11,747,507,678,638,252,228,608
  5. Step 5: Solve for x
    x = 11,747,507,678,638,252,228,608/109,044,111,999.80
  6. Step 6: Final answer
    x = 107,731,701,081.30

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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.