Home / 142,260,621.63-196,317,103.46-80,379,631.59

Finding the Fourth Proportional to 142,260,621.63, 196,317,103.46 and 80,379,631.59

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Solution

The fourth proportional to 142,260,621.63, 196,317,103.46 and 80,379,631.59 is: 110,922,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,260,621.63 : 196,317,103.46 = 80,379,631.59 : x
  2. Step 2: Convert to fraction form
    142,260,621.63/196,317,103.46 = 80,379,631.59/x
  3. Step 3: Cross multiply
    142,260,621.63x = 196,317,103.46 × 80,379,631.59
  4. Step 4: Simplify right side
    142,260,621.63x = 15,779,896,450,528,818
  5. Step 5: Solve for x
    x = 15,779,896,450,528,818/142,260,621.63
  6. Step 6: Final answer
    x = 110,922,448.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.