Finding the Fourth Proportional to 199,706,661.40, 299,559,992.10 and 97,536,242.20
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Solution
The fourth proportional to 199,706,661.40, 299,559,992.10 and 97,536,242.20 is: 146,304,363.30
Step by Step Solution
- Step 1: Write the proportion equation
199,706,661.40 : 299,559,992.10 = 97,536,242.20 : x - Step 2: Convert to fraction form
199,706,661.40/299,559,992.10 = 97,536,242.20/x - Step 3: Cross multiply
199,706,661.40x = 299,559,992.10 × 97,536,242.20 - Step 4: Simplify right side
199,706,661.40x = 29,217,955,942,895,688 - Step 5: Solve for x
x = 29,217,955,942,895,688/199,706,661.40 - Step 6: Final answer
x = 146,304,363.30
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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.