Finding the Fourth Proportional to 157,274,282.61, 235,911,299.99 and 42,258,825.09
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Solution
The fourth proportional to 157,274,282.61, 235,911,299.99 and 42,258,825.09 is: 63,388,204.34
Step by Step Solution
- Step 1: Write the proportion equation
157,274,282.61 : 235,911,299.99 = 42,258,825.09 : x - Step 2: Convert to fraction form
157,274,282.61/235,911,299.99 = 42,258,825.09/x - Step 3: Cross multiply
157,274,282.61x = 235,911,299.99 × 42,258,825.09 - Step 4: Simplify right side
157,274,282.61x = 9,969,334,362,820,636 - Step 5: Solve for x
x = 9,969,334,362,820,636/157,274,282.61 - Step 6: Final answer
x = 63,388,204.34
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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.