Finding the Fourth Proportional to 108,239,911.17, 149,372,247.93 and 63,587,765.42
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Solution
The fourth proportional to 108,239,911.17, 149,372,247.93 and 63,587,765.42 is: 87,751,803.91
Step by Step Solution
- Step 1: Write the proportion equation
108,239,911.17 : 149,372,247.93 = 63,587,765.42 : x - Step 2: Convert to fraction form
108,239,911.17/149,372,247.93 = 63,587,765.42/x - Step 3: Cross multiply
108,239,911.17x = 149,372,247.93 × 63,587,765.42 - Step 4: Simplify right side
108,239,911.17x = 9,498,247,460,785,418 - Step 5: Solve for x
x = 9,498,247,460,785,418/108,239,911.17 - Step 6: Final answer
x = 87,751,803.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.