Finding the Fourth Proportional to 161,705,652.90, 242,558,479.35 and 88,894,299.30
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Solution
The fourth proportional to 161,705,652.90, 242,558,479.35 and 88,894,299.30 is: 133,341,448.95
Step by Step Solution
- Step 1: Write the proportion equation
161,705,652.90 : 242,558,479.35 = 88,894,299.30 : x - Step 2: Convert to fraction form
161,705,652.90/242,558,479.35 = 88,894,299.30/x - Step 3: Cross multiply
161,705,652.90x = 242,558,479.35 × 88,894,299.30 - Step 4: Simplify right side
161,705,652.90x = 21,562,066,061,091,768 - Step 5: Solve for x
x = 21,562,066,061,091,768/161,705,652.90 - Step 6: Final answer
x = 133,341,448.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.