Finding the Fourth Proportional to 237,376,230.90, 356,064,346.35 and 133,638,947.70
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Solution
The fourth proportional to 237,376,230.90, 356,064,346.35 and 133,638,947.70 is: 200,458,421.55
Step by Step Solution
- Step 1: Write the proportion equation
237,376,230.90 : 356,064,346.35 = 133,638,947.70 : x - Step 2: Convert to fraction form
237,376,230.90/356,064,346.35 = 133,638,947.70/x - Step 3: Cross multiply
237,376,230.90x = 356,064,346.35 × 133,638,947.70 - Step 4: Simplify right side
237,376,230.90x = 47,584,064,559,702,344 - Step 5: Solve for x
x = 47,584,064,559,702,344/237,376,230.90 - Step 6: Final answer
x = 200,458,421.55
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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.