Finding the Fourth Proportional to 70,614,927.44, 97,492,075.68 and 55,989,671.12
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Solution
The fourth proportional to 70,614,927.44, 97,492,075.68 and 55,989,671.12 is: 77,300,217.56
Step by Step Solution
- Step 1: Write the proportion equation
70,614,927.44 : 97,492,075.68 = 55,989,671.12 : x - Step 2: Convert to fraction form
70,614,927.44/97,492,075.68 = 55,989,671.12/x - Step 3: Cross multiply
70,614,927.44x = 97,492,075.68 × 55,989,671.12 - Step 4: Simplify right side
70,614,927.44x = 5,458,549,254,129,351 - Step 5: Solve for x
x = 5,458,549,254,129,351/70,614,927.44 - Step 6: Final answer
x = 77,300,217.56
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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.