Finding the Fourth Proportional to 235,563,679.58, 325,071,541.96 and 131,141,748.74
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Solution
The fourth proportional to 235,563,679.58, 325,071,541.96 and 131,141,748.74 is: 180,972,085.99
Step by Step Solution
- Step 1: Write the proportion equation
235,563,679.58 : 325,071,541.96 = 131,141,748.74 : x - Step 2: Convert to fraction form
235,563,679.58/325,071,541.96 = 131,141,748.74/x - Step 3: Cross multiply
235,563,679.58x = 325,071,541.96 × 131,141,748.74 - Step 4: Simplify right side
235,563,679.58x = 42,630,450,476,289,472 - Step 5: Solve for x
x = 42,630,450,476,289,472/235,563,679.58 - Step 6: Final answer
x = 180,972,085.99
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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.