Finding the Fourth Proportional to 189,202,401.40, 283,803,602.10 and 66,519,246.55
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Solution
The fourth proportional to 189,202,401.40, 283,803,602.10 and 66,519,246.55 is: 99,778,869.83
Step by Step Solution
- Step 1: Write the proportion equation
189,202,401.40 : 283,803,602.10 = 66,519,246.55 : x - Step 2: Convert to fraction form
189,202,401.40/283,803,602.10 = 66,519,246.55/x - Step 3: Cross multiply
189,202,401.40x = 283,803,602.10 × 66,519,246.55 - Step 4: Simplify right side
189,202,401.40x = 18,878,401,779,868,000 - Step 5: Solve for x
x = 18,878,401,779,868,000/189,202,401.40 - Step 6: Final answer
x = 99,778,869.83
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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.