Home / 299,726,810.19-449,621,047.13-113,137,920.45

Finding the Fourth Proportional to 299,726,810.19, 449,621,047.13 and 113,137,920.45

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Solution

The fourth proportional to 299,726,810.19, 449,621,047.13 and 113,137,920.45 is: 169,718,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,726,810.19 : 449,621,047.13 = 113,137,920.45 : x
  2. Step 2: Convert to fraction form
    299,726,810.19/449,621,047.13 = 113,137,920.45/x
  3. Step 3: Cross multiply
    299,726,810.19x = 449,621,047.13 × 113,137,920.45
  4. Step 4: Simplify right side
    299,726,810.19x = 50,869,190,262,273,952
  5. Step 5: Solve for x
    x = 50,869,190,262,273,952/299,726,810.19
  6. Step 6: Final answer
    x = 169,718,518.77

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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.