Home / 310,104,980.70-464,719,031.54-171,991,436.41

Finding the Fourth Proportional to 310,104,980.70, 464,719,031.54 and 171,991,436.41

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Solution

The fourth proportional to 310,104,980.70, 464,719,031.54 and 171,991,436.41 is: 257,743,985.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,104,980.70 : 464,719,031.54 = 171,991,436.41 : x
  2. Step 2: Convert to fraction form
    310,104,980.70/464,719,031.54 = 171,991,436.41/x
  3. Step 3: Cross multiply
    310,104,980.70x = 464,719,031.54 × 171,991,436.41
  4. Step 4: Simplify right side
    310,104,980.70x = 79,927,693,760,768,736
  5. Step 5: Solve for x
    x = 79,927,693,760,768,736/310,104,980.70
  6. Step 6: Final answer
    x = 257,743,985.86

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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.