Home / 189,489,734,477.53-284,236,785,210.18-68,487,479,150.32

Finding the Fourth Proportional to 189,489,734,477.53, 284,236,785,210.18 and 68,487,479,150.32

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Solution

The fourth proportional to 189,489,734,477.53, 284,236,785,210.18 and 68,487,479,150.32 is: 102,732,007,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,489,734,477.53 : 284,236,785,210.18 = 68,487,479,150.32 : x
  2. Step 2: Convert to fraction form
    189,489,734,477.53/284,236,785,210.18 = 68,487,479,150.32/x
  3. Step 3: Cross multiply
    189,489,734,477.53x = 284,236,785,210.18 × 68,487,479,150.32
  4. Step 4: Simplify right side
    189,489,734,477.53x = 19,466,660,900,835,048,816,640
  5. Step 5: Solve for x
    x = 19,466,660,900,835,048,816,640/189,489,734,477.53
  6. Step 6: Final answer
    x = 102,732,007,908.02

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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.