Finding the Fourth Proportional to 157,730,683.35, 236,384,538.64 and 122,758,026.99
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Solution
The fourth proportional to 157,730,683.35, 236,384,538.64 and 122,758,026.99 is: 183,972,445.68
Step by Step Solution
- Step 1: Write the proportion equation
157,730,683.35 : 236,384,538.64 = 122,758,026.99 : x - Step 2: Convert to fraction form
157,730,683.35/236,384,538.64 = 122,758,026.99/x - Step 3: Cross multiply
157,730,683.35x = 236,384,538.64 × 122,758,026.99 - Step 4: Simplify right side
157,730,683.35x = 29,018,099,574,387,816 - Step 5: Solve for x
x = 29,018,099,574,387,816/157,730,683.35 - Step 6: Final answer
x = 183,972,445.68
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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.