Home / 107,895,999.40-161,843,999.10-98,070,245.80

Finding the Fourth Proportional to 107,895,999.40, 161,843,999.10 and 98,070,245.80

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Solution

The fourth proportional to 107,895,999.40, 161,843,999.10 and 98,070,245.80 is: 147,105,368.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,895,999.40 : 161,843,999.10 = 98,070,245.80 : x
  2. Step 2: Convert to fraction form
    107,895,999.40/161,843,999.10 = 98,070,245.80/x
  3. Step 3: Cross multiply
    107,895,999.40x = 161,843,999.10 × 98,070,245.80
  4. Step 4: Simplify right side
    107,895,999.40x = 15,872,080,772,991,978
  5. Step 5: Solve for x
    x = 15,872,080,772,991,978/107,895,999.40
  6. Step 6: Final answer
    x = 147,105,368.70

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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.