Finding the Fourth Proportional to 178,058,630.08, 245,718,215.17 and 99,744,986.17
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Solution
The fourth proportional to 178,058,630.08, 245,718,215.17 and 99,744,986.17 is: 137,646,571.60
Step by Step Solution
- Step 1: Write the proportion equation
178,058,630.08 : 245,718,215.17 = 99,744,986.17 : x - Step 2: Convert to fraction form
178,058,630.08/245,718,215.17 = 99,744,986.17/x - Step 3: Cross multiply
178,058,630.08x = 245,718,215.17 × 99,744,986.17 - Step 4: Simplify right side
178,058,630.08x = 24,509,159,973,848,732 - Step 5: Solve for x
x = 24,509,159,973,848,732/178,058,630.08 - Step 6: Final answer
x = 137,646,571.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.