Home / 112,280,428.80-168,089,968.80-83,653,473.60

Finding the Fourth Proportional to 112,280,428.80, 168,089,968.80 and 83,653,473.60

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Solution

The fourth proportional to 112,280,428.80, 168,089,968.80 and 83,653,473.60 is: 125,233,844.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280,428.80 : 168,089,968.80 = 83,653,473.60 : x
  2. Step 2: Convert to fraction form
    112,280,428.80/168,089,968.80 = 83,653,473.60/x
  3. Step 3: Cross multiply
    112,280,428.80x = 168,089,968.80 × 83,653,473.60
  4. Step 4: Simplify right side
    112,280,428.80x = 14,061,309,767,435,624
  5. Step 5: Solve for x
    x = 14,061,309,767,435,624/112,280,428.80
  6. Step 6: Final answer
    x = 125,233,844.56

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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.