Finding the Fourth Proportional to 145,031,837.44, 217,587,617.28 and 42,795,877.12
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Solution
The fourth proportional to 145,031,837.44, 217,587,617.28 and 42,795,877.12 is: 64,205,577.87
Step by Step Solution
- Step 1: Write the proportion equation
145,031,837.44 : 217,587,617.28 = 42,795,877.12 : x - Step 2: Convert to fraction form
145,031,837.44/217,587,617.28 = 42,795,877.12/x - Step 3: Cross multiply
145,031,837.44x = 217,587,617.28 × 42,795,877.12 - Step 4: Simplify right side
145,031,837.44x = 9,311,852,931,948,468 - Step 5: Solve for x
x = 9,311,852,931,948,468/145,031,837.44 - Step 6: Final answer
x = 64,205,577.87
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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.