Finding the Fourth Proportional to 157,468,220.90, 236,202,331.35 and 135,549,232.10
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Solution
The fourth proportional to 157,468,220.90, 236,202,331.35 and 135,549,232.10 is: 203,323,848.15
Step by Step Solution
- Step 1: Write the proportion equation
157,468,220.90 : 236,202,331.35 = 135,549,232.10 : x - Step 2: Convert to fraction form
157,468,220.90/236,202,331.35 = 135,549,232.10/x - Step 3: Cross multiply
157,468,220.90x = 236,202,331.35 × 135,549,232.10 - Step 4: Simplify right side
157,468,220.90x = 32,017,044,634,722,256 - Step 5: Solve for x
x = 32,017,044,634,722,256/157,468,220.90 - Step 6: Final answer
x = 203,323,848.15
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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.