Finding the Fourth Proportional to 302,908,249.08, 418,013,365.68 and 163,679,006.34
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Solution
The fourth proportional to 302,908,249.08, 418,013,365.68 and 163,679,006.34 is: 225,877,019.00
Step by Step Solution
- Step 1: Write the proportion equation
302,908,249.08 : 418,013,365.68 = 163,679,006.34 : x - Step 2: Convert to fraction form
302,908,249.08/418,013,365.68 = 163,679,006.34/x - Step 3: Cross multiply
302,908,249.08x = 418,013,365.68 × 163,679,006.34 - Step 4: Simplify right side
302,908,249.08x = 68,420,012,331,341,464 - Step 5: Solve for x
x = 68,420,012,331,341,464/302,908,249.08 - Step 6: Final answer
x = 225,877,019.00
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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.