Finding the Fourth Proportional to 156,927,717.02, 216,590,232.27 and 103,910,914.12
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Solution
The fourth proportional to 156,927,717.02, 216,590,232.27 and 103,910,914.12 is: 143,416,914.82
Step by Step Solution
- Step 1: Write the proportion equation
156,927,717.02 : 216,590,232.27 = 103,910,914.12 : x - Step 2: Convert to fraction form
156,927,717.02/216,590,232.27 = 103,910,914.12/x - Step 3: Cross multiply
156,927,717.02x = 216,590,232.27 × 103,910,914.12 - Step 4: Simplify right side
156,927,717.02x = 22,506,089,024,638,824 - Step 5: Solve for x
x = 22,506,089,024,638,824/156,927,717.02 - Step 6: Final answer
x = 143,416,914.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.