Finding the Fourth Proportional to 154,864,554.96, 213,758,215.68 and 101,227,007.80
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Solution
The fourth proportional to 154,864,554.96, 213,758,215.68 and 101,227,007.80 is: 139,722,769.82
Step by Step Solution
- Step 1: Write the proportion equation
154,864,554.96 : 213,758,215.68 = 101,227,007.80 : x - Step 2: Convert to fraction form
154,864,554.96/213,758,215.68 = 101,227,007.80/x - Step 3: Cross multiply
154,864,554.96x = 213,758,215.68 × 101,227,007.80 - Step 4: Simplify right side
154,864,554.96x = 21,638,104,565,953,444 - Step 5: Solve for x
x = 21,638,104,565,953,444/154,864,554.96 - Step 6: Final answer
x = 139,722,769.82
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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.