Finding the Fourth Proportional to 165,888,088.40, 248,832,132.60 and 125,577,304.40
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Solution
The fourth proportional to 165,888,088.40, 248,832,132.60 and 125,577,304.40 is: 188,365,956.60
Step by Step Solution
- Step 1: Write the proportion equation
165,888,088.40 : 248,832,132.60 = 125,577,304.40 : x - Step 2: Convert to fraction form
165,888,088.40/248,832,132.60 = 125,577,304.40/x - Step 3: Cross multiply
165,888,088.40x = 248,832,132.60 × 125,577,304.40 - Step 4: Simplify right side
165,888,088.40x = 31,247,668,460,011,364 - Step 5: Solve for x
x = 31,247,668,460,011,364/165,888,088.40 - Step 6: Final answer
x = 188,365,956.60
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1.5x scale
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.