Finding the Fourth Proportional to 372,124,889.12, 558,202,724.16 and 109,809,442.56
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Solution
The fourth proportional to 372,124,889.12, 558,202,724.16 and 109,809,442.56 is: 164,718,705.38
Step by Step Solution
- Step 1: Write the proportion equation
372,124,889.12 : 558,202,724.16 = 109,809,442.56 : x - Step 2: Convert to fraction form
372,124,889.12/558,202,724.16 = 109,809,442.56/x - Step 3: Cross multiply
372,124,889.12x = 558,202,724.16 × 109,809,442.56 - Step 4: Simplify right side
372,124,889.12x = 61,295,929,975,483,040 - Step 5: Solve for x
x = 61,295,929,975,483,040/372,124,889.12 - Step 6: Final answer
x = 164,718,705.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.