Finding the Fourth Proportional to 147,516,824.70, 221,275,237.05 and 139,958,552.70
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Solution
The fourth proportional to 147,516,824.70, 221,275,237.05 and 139,958,552.70 is: 209,937,829.05
Step by Step Solution
- Step 1: Write the proportion equation
147,516,824.70 : 221,275,237.05 = 139,958,552.70 : x - Step 2: Convert to fraction form
147,516,824.70/221,275,237.05 = 139,958,552.70/x - Step 3: Cross multiply
147,516,824.70x = 221,275,237.05 × 139,958,552.70 - Step 4: Simplify right side
147,516,824.70x = 30,969,361,925,867,416 - Step 5: Solve for x
x = 30,969,361,925,867,416/147,516,824.70 - Step 6: Final answer
x = 209,937,829.05
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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.