Finding the Fourth Proportional to 228,135,276.18, 314,826,765.05 and 123,713,319.82
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Solution
The fourth proportional to 228,135,276.18, 314,826,765.05 and 123,713,319.82 is: 170,724,426.86
Step by Step Solution
- Step 1: Write the proportion equation
228,135,276.18 : 314,826,765.05 = 123,713,319.82 : x - Step 2: Convert to fraction form
228,135,276.18/314,826,765.05 = 123,713,319.82/x - Step 3: Cross multiply
228,135,276.18x = 314,826,765.05 × 123,713,319.82 - Step 4: Simplify right side
228,135,276.18x = 38,948,264,272,526,648 - Step 5: Solve for x
x = 38,948,264,272,526,648/228,135,276.18 - Step 6: Final answer
x = 170,724,426.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.