Home / 99,678,410.40-149,219,017.20-59,268,093.60

Finding the Fourth Proportional to 99,678,410.40, 149,219,017.20 and 59,268,093.60

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Solution

The fourth proportional to 99,678,410.40, 149,219,017.20 and 59,268,093.60 is: 88,724,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,678,410.40 : 149,219,017.20 = 59,268,093.60 : x
  2. Step 2: Convert to fraction form
    99,678,410.40/149,219,017.20 = 59,268,093.60/x
  3. Step 3: Cross multiply
    99,678,410.40x = 149,219,017.20 × 59,268,093.60
  4. Step 4: Simplify right side
    99,678,410.40x = 8,843,926,678,309,609
  5. Step 5: Solve for x
    x = 8,843,926,678,309,609/99,678,410.40
  6. Step 6: Final answer
    x = 88,724,595.86

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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.