Home / 98,905,340.60-148,327,645.62-68,395,977.80

Finding the Fourth Proportional to 98,905,340.60, 148,327,645.62 and 68,395,977.80

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Solution

The fourth proportional to 98,905,340.60, 148,327,645.62 and 68,395,977.80 is: 102,572,968.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,905,340.60 : 148,327,645.62 = 68,395,977.80 : x
  2. Step 2: Convert to fraction form
    98,905,340.60/148,327,645.62 = 68,395,977.80/x
  3. Step 3: Cross multiply
    98,905,340.60x = 148,327,645.62 × 68,395,977.80
  4. Step 4: Simplify right side
    98,905,340.60x = 10,145,014,356,951,788
  5. Step 5: Solve for x
    x = 10,145,014,356,951,788/98,905,340.60
  6. Step 6: Final answer
    x = 102,572,968.21

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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.