Home / 239,136,901,642.27-330,008,952,247.04-130,750,072,335.40

Finding the Fourth Proportional to 239,136,901,642.27, 330,008,952,247.04 and 130,750,072,335.40

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Solution

The fourth proportional to 239,136,901,642.27, 330,008,952,247.04 and 130,750,072,335.40 is: 180,435,115,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,136,901,642.27 : 330,008,952,247.04 = 130,750,072,335.40 : x
  2. Step 2: Convert to fraction form
    239,136,901,642.27/330,008,952,247.04 = 130,750,072,335.40/x
  3. Step 3: Cross multiply
    239,136,901,642.27x = 330,008,952,247.04 × 130,750,072,335.40
  4. Step 4: Simplify right side
    239,136,901,642.27x = 43,148,694,377,630,036,656,128
  5. Step 5: Solve for x
    x = 43,148,694,377,630,036,656,128/239,136,901,642.27
  6. Step 6: Final answer
    x = 180,435,115,121.53

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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.