Finding the Fourth Proportional to 69,078,191.33, 95,336,264.10 and 39,316,075.97
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Solution
The fourth proportional to 69,078,191.33, 95,336,264.10 and 39,316,075.97 is: 54,260,943.00
Step by Step Solution
- Step 1: Write the proportion equation
69,078,191.33 : 95,336,264.10 = 39,316,075.97 : x - Step 2: Convert to fraction form
69,078,191.33/95,336,264.10 = 39,316,075.97/x - Step 3: Cross multiply
69,078,191.33x = 95,336,264.10 × 39,316,075.97 - Step 4: Simplify right side
69,078,191.33x = 3,748,247,802,037,451 - Step 5: Solve for x
x = 3,748,247,802,037,451/69,078,191.33 - Step 6: Final answer
x = 54,260,943.00
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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.