Home / 262,108,878.36-361,717,939.36-143,039,158.58

Finding the Fourth Proportional to 262,108,878.36, 361,717,939.36 and 143,039,158.58

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Solution

The fourth proportional to 262,108,878.36, 361,717,939.36 and 143,039,158.58 is: 197,398,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,108,878.36 : 361,717,939.36 = 143,039,158.58 : x
  2. Step 2: Convert to fraction form
    262,108,878.36/361,717,939.36 = 143,039,158.58/x
  3. Step 3: Cross multiply
    262,108,878.36x = 361,717,939.36 × 143,039,158.58
  4. Step 4: Simplify right side
    262,108,878.36x = 51,739,829,689,345,872
  5. Step 5: Solve for x
    x = 51,739,829,689,345,872/262,108,878.36
  6. Step 6: Final answer
    x = 197,398,233.94

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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.