Home / 112,099,468.40-168,149,202.60-89,424,652.40

Finding the Fourth Proportional to 112,099,468.40, 168,149,202.60 and 89,424,652.40

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Solution

The fourth proportional to 112,099,468.40, 168,149,202.60 and 89,424,652.40 is: 134,136,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,099,468.40 : 168,149,202.60 = 89,424,652.40 : x
  2. Step 2: Convert to fraction form
    112,099,468.40/168,149,202.60 = 89,424,652.40/x
  3. Step 3: Cross multiply
    112,099,468.40x = 168,149,202.60 × 89,424,652.40
  4. Step 4: Simplify right side
    112,099,468.40x = 15,036,683,993,842,176
  5. Step 5: Solve for x
    x = 15,036,683,993,842,176/112,099,468.40
  6. Step 6: Final answer
    x = 134,136,978.60

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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.