Finding the Fourth Proportional to 93,312,460.70, 139,968,691.05 and 45,536,716.70
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Solution
The fourth proportional to 93,312,460.70, 139,968,691.05 and 45,536,716.70 is: 68,305,075.05
Step by Step Solution
- Step 1: Write the proportion equation
93,312,460.70 : 139,968,691.05 = 45,536,716.70 : x - Step 2: Convert to fraction form
93,312,460.70/139,968,691.05 = 45,536,716.70/x - Step 3: Cross multiply
93,312,460.70x = 139,968,691.05 × 45,536,716.70 - Step 4: Simplify right side
93,312,460.70x = 6,373,714,631,213,676 - Step 5: Solve for x
x = 6,373,714,631,213,676/93,312,460.70 - Step 6: Final answer
x = 68,305,075.05
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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.