Finding the Fourth Proportional to 228,782,437.36, 311,496,021.12 and 228,056,023.96
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Solution
The fourth proportional to 228,782,437.36, 311,496,021.12 and 228,056,023.96 is: 310,506,981.55
Step by Step Solution
- Step 1: Write the proportion equation
228,782,437.36 : 311,496,021.12 = 228,056,023.96 : x - Step 2: Convert to fraction form
228,782,437.36/311,496,021.12 = 228,056,023.96/x - Step 3: Cross multiply
228,782,437.36x = 311,496,021.12 × 228,056,023.96 - Step 4: Simplify right side
228,782,437.36x = 71,038,544,055,987,392 - Step 5: Solve for x
x = 71,038,544,055,987,392/228,782,437.36 - Step 6: Final answer
x = 310,506,981.55
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.