Finding the Fourth Proportional to 304,977,202.10, 420,871,800.93 and 165,747,970.70
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Solution
The fourth proportional to 304,977,202.10, 420,871,800.93 and 165,747,970.70 is: 228,733,972.40
Step by Step Solution
- Step 1: Write the proportion equation
304,977,202.10 : 420,871,800.93 = 165,747,970.70 : x - Step 2: Convert to fraction form
304,977,202.10/420,871,800.93 = 165,747,970.70/x - Step 3: Cross multiply
304,977,202.10x = 420,871,800.93 × 165,747,970.70 - Step 4: Simplify right side
304,977,202.10x = 69,758,646,929,001,872 - Step 5: Solve for x
x = 69,758,646,929,001,872/304,977,202.10 - Step 6: Final answer
x = 228,733,972.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.