Finding the Fourth Proportional to 100,926,560.16, 139,278,706.56 and 54,516,813.12
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Solution
The fourth proportional to 100,926,560.16, 139,278,706.56 and 54,516,813.12 is: 75,233,231.03
Step by Step Solution
- Step 1: Write the proportion equation
100,926,560.16 : 139,278,706.56 = 54,516,813.12 : x - Step 2: Convert to fraction form
100,926,560.16/139,278,706.56 = 54,516,813.12/x - Step 3: Cross multiply
100,926,560.16x = 139,278,706.56 × 54,516,813.12 - Step 4: Simplify right side
100,926,560.16x = 7,593,031,217,126,838 - Step 5: Solve for x
x = 7,593,031,217,126,838/100,926,560.16 - Step 6: Final answer
x = 75,233,231.03
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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.