Finding the Fourth Proportional to 157,468,505.10, 236,202,757.65 and 42,464,672.70
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Solution
The fourth proportional to 157,468,505.10, 236,202,757.65 and 42,464,672.70 is: 63,697,009.05
Step by Step Solution
- Step 1: Write the proportion equation
157,468,505.10 : 236,202,757.65 = 42,464,672.70 : x - Step 2: Convert to fraction form
157,468,505.10/236,202,757.65 = 42,464,672.70/x - Step 3: Cross multiply
157,468,505.10x = 236,202,757.65 × 42,464,672.70 - Step 4: Simplify right side
157,468,505.10x = 10,030,272,794,444,672 - Step 5: Solve for x
x = 10,030,272,794,444,672/157,468,505.10 - Step 6: Final answer
x = 63,697,009.05
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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.