Home / 98,672,666.40-148,008,999.60-68,061,664.80

Finding the Fourth Proportional to 98,672,666.40, 148,008,999.60 and 68,061,664.80

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Solution

The fourth proportional to 98,672,666.40, 148,008,999.60 and 68,061,664.80 is: 102,092,497.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,672,666.40 : 148,008,999.60 = 68,061,664.80 : x
  2. Step 2: Convert to fraction form
    98,672,666.40/148,008,999.60 = 68,061,664.80/x
  3. Step 3: Cross multiply
    98,672,666.40x = 148,008,999.60 × 68,061,664.80
  4. Step 4: Simplify right side
    98,672,666.40x = 10,073,738,918,158,534
  5. Step 5: Solve for x
    x = 10,073,738,918,158,534/98,672,666.40
  6. Step 6: Final answer
    x = 102,092,497.20

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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.