Finding the Fourth Proportional to 76,968,619.60, 106,176,425.30 and 47,590,561.12
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Solution
The fourth proportional to 76,968,619.60, 106,176,425.30 and 47,590,561.12 is: 65,650,075.11
Step by Step Solution
- Step 1: Write the proportion equation
76,968,619.60 : 106,176,425.30 = 47,590,561.12 : x - Step 2: Convert to fraction form
76,968,619.60/106,176,425.30 = 47,590,561.12/x - Step 3: Cross multiply
76,968,619.60x = 106,176,425.30 × 47,590,561.12 - Step 4: Simplify right side
76,968,619.60x = 5,052,995,657,637,533 - Step 5: Solve for x
x = 5,052,995,657,637,533/76,968,619.60 - Step 6: Final answer
x = 65,650,075.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.