Finding the Fourth Proportional to 85,334,901.84, 117,762,476.76 and 46,176,678.90
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Solution
The fourth proportional to 85,334,901.84, 117,762,476.76 and 46,176,678.90 is: 63,723,985.83
Step by Step Solution
- Step 1: Write the proportion equation
85,334,901.84 : 117,762,476.76 = 46,176,678.90 : x - Step 2: Convert to fraction form
85,334,901.84/117,762,476.76 = 46,176,678.90/x - Step 3: Cross multiply
85,334,901.84x = 117,762,476.76 × 46,176,678.90 - Step 4: Simplify right side
85,334,901.84x = 5,437,880,075,815,232 - Step 5: Solve for x
x = 5,437,880,075,815,232/85,334,901.84 - Step 6: Final answer
x = 63,723,985.83
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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.