Finding the Fourth Proportional to 161,502,660.60, 242,253,990.90 and 149,031,511.80
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Solution
The fourth proportional to 161,502,660.60, 242,253,990.90 and 149,031,511.80 is: 223,547,267.70
Step by Step Solution
- Step 1: Write the proportion equation
161,502,660.60 : 242,253,990.90 = 149,031,511.80 : x - Step 2: Convert to fraction form
161,502,660.60/242,253,990.90 = 149,031,511.80/x - Step 3: Cross multiply
161,502,660.60x = 242,253,990.90 × 149,031,511.80 - Step 4: Simplify right side
161,502,660.60x = 36,103,478,503,410,448 - Step 5: Solve for x
x = 36,103,478,503,410,448/161,502,660.60 - Step 6: Final answer
x = 223,547,267.70
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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.