Finding the Fourth Proportional to 242,712,487.80, 364,068,731.70 and 97,215,751.80
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Solution
The fourth proportional to 242,712,487.80, 364,068,731.70 and 97,215,751.80 is: 145,823,627.70
Step by Step Solution
- Step 1: Write the proportion equation
242,712,487.80 : 364,068,731.70 = 97,215,751.80 : x - Step 2: Convert to fraction form
242,712,487.80/364,068,731.70 = 97,215,751.80/x - Step 3: Cross multiply
242,712,487.80x = 364,068,731.70 × 97,215,751.80 - Step 4: Simplify right side
242,712,487.80x = 35,393,215,459,087,988 - Step 5: Solve for x
x = 35,393,215,459,087,988/242,712,487.80 - Step 6: Final answer
x = 145,823,627.70
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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.