Finding the Fourth Proportional to 125,239,913.14, 172,825,224.68 and 69,484,740.17
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Solution
The fourth proportional to 125,239,913.14, 172,825,224.68 and 69,484,740.17 is: 95,885,692.75
Step by Step Solution
- Step 1: Write the proportion equation
125,239,913.14 : 172,825,224.68 = 69,484,740.17 : x - Step 2: Convert to fraction form
125,239,913.14/172,825,224.68 = 69,484,740.17/x - Step 3: Cross multiply
125,239,913.14x = 172,825,224.68 × 69,484,740.17 - Step 4: Simplify right side
125,239,913.14x = 12,008,715,831,711,672 - Step 5: Solve for x
x = 12,008,715,831,711,672/125,239,913.14 - Step 6: Final answer
x = 95,885,692.75
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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.