Finding the Fourth Proportional to 154,353,956.44, 213,010,955.58 and 84,745,754.20
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Solution
The fourth proportional to 154,353,956.44, 213,010,955.58 and 84,745,754.20 is: 116,950,511.02
Step by Step Solution
- Step 1: Write the proportion equation
154,353,956.44 : 213,010,955.58 = 84,745,754.20 : x - Step 2: Convert to fraction form
154,353,956.44/213,010,955.58 = 84,745,754.20/x - Step 3: Cross multiply
154,353,956.44x = 213,010,955.58 × 84,745,754.20 - Step 4: Simplify right side
154,353,956.44x = 18,051,774,083,489,800 - Step 5: Solve for x
x = 18,051,774,083,489,800/154,353,956.44 - Step 6: Final answer
x = 116,950,511.02
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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.