Home / 279,313,429.52-385,464,490.44-155,554,106.48

Finding the Fourth Proportional to 279,313,429.52, 385,464,490.44 and 155,554,106.48

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Solution

The fourth proportional to 279,313,429.52, 385,464,490.44 and 155,554,106.48 is: 214,671,326.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,313,429.52 : 385,464,490.44 = 155,554,106.48 : x
  2. Step 2: Convert to fraction form
    279,313,429.52/385,464,490.44 = 155,554,106.48/x
  3. Step 3: Cross multiply
    279,313,429.52x = 385,464,490.44 × 155,554,106.48
  4. Step 4: Simplify right side
    279,313,429.52x = 59,960,584,390,162,696
  5. Step 5: Solve for x
    x = 59,960,584,390,162,696/279,313,429.52
  6. Step 6: Final answer
    x = 214,671,326.38

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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.