Home / 163,946,040.76-245,767,725.56-81,993,605.52

Finding the Fourth Proportional to 163,946,040.76, 245,767,725.56 and 81,993,605.52

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Solution

The fourth proportional to 163,946,040.76, 245,767,725.56 and 81,993,605.52 is: 122,914,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,946,040.76 : 245,767,725.56 = 81,993,605.52 : x
  2. Step 2: Convert to fraction form
    163,946,040.76/245,767,725.56 = 81,993,605.52/x
  3. Step 3: Cross multiply
    163,946,040.76x = 245,767,725.56 × 81,993,605.52
  4. Step 4: Simplify right side
    163,946,040.76x = 20,151,381,939,114,260
  5. Step 5: Solve for x
    x = 20,151,381,939,114,260/163,946,040.76
  6. Step 6: Final answer
    x = 122,914,721.49

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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.