Finding the Fourth Proportional to 98,606,419.71, 136,075,850.28 and 54,553,733.84
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Solution
The fourth proportional to 98,606,419.71, 136,075,850.28 and 54,553,733.84 is: 75,283,594.52
Step by Step Solution
- Step 1: Write the proportion equation
98,606,419.71 : 136,075,850.28 = 54,553,733.84 : x - Step 2: Convert to fraction form
98,606,419.71/136,075,850.28 = 54,553,733.84/x - Step 3: Cross multiply
98,606,419.71x = 136,075,850.28 × 54,553,733.84 - Step 4: Simplify right side
98,606,419.71x = 7,423,445,718,226,810 - Step 5: Solve for x
x = 7,423,445,718,226,810/98,606,419.71 - Step 6: Final answer
x = 75,283,594.52
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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.