Finding the Fourth Proportional to 157,464,683.10, 236,197,024.65 and 80,937,179.10
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Solution
The fourth proportional to 157,464,683.10, 236,197,024.65 and 80,937,179.10 is: 121,405,768.65
Step by Step Solution
- Step 1: Write the proportion equation
157,464,683.10 : 236,197,024.65 = 80,937,179.10 : x - Step 2: Convert to fraction form
157,464,683.10/236,197,024.65 = 80,937,179.10/x - Step 3: Cross multiply
157,464,683.10x = 236,197,024.65 × 80,937,179.10 - Step 4: Simplify right side
157,464,683.10x = 19,117,120,886,984,164 - Step 5: Solve for x
x = 19,117,120,886,984,164/157,464,683.10 - Step 6: Final answer
x = 121,405,768.65
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Similar ratio
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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.