Finding the Fourth Proportional to 108,594,217.37, 149,719,358.81 and 70,335,278.12
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Solution
The fourth proportional to 108,594,217.37, 149,719,358.81 and 70,335,278.12 is: 96,971,579.12
Step by Step Solution
- Step 1: Write the proportion equation
108,594,217.37 : 149,719,358.81 = 70,335,278.12 : x - Step 2: Convert to fraction form
108,594,217.37/149,719,358.81 = 70,335,278.12/x - Step 3: Cross multiply
108,594,217.37x = 149,719,358.81 × 70,335,278.12 - Step 4: Simplify right side
108,594,217.37x = 10,530,552,742,399,560 - Step 5: Solve for x
x = 10,530,552,742,399,560/108,594,217.37 - Step 6: Final answer
x = 96,971,579.12
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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.