Finding the Fourth Proportional to 115,507,041.50, 173,258,929.56 and 28,069,201.19
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Solution
The fourth proportional to 115,507,041.50, 173,258,929.56 and 28,069,201.19 is: 42,103,405.03
Step by Step Solution
- Step 1: Write the proportion equation
115,507,041.50 : 173,258,929.56 = 28,069,201.19 : x - Step 2: Convert to fraction form
115,507,041.50/173,258,929.56 = 28,069,201.19/x - Step 3: Cross multiply
115,507,041.50x = 173,258,929.56 × 28,069,201.19 - Step 4: Simplify right side
115,507,041.50x = 4,863,239,751,783,678 - Step 5: Solve for x
x = 4,863,239,751,783,678/115,507,041.50 - Step 6: Final answer
x = 42,103,405.03
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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.