Finding the Fourth Proportional to 72,085,554.84, 99,398,367.84 and 45,938,677.08
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Solution
The fourth proportional to 72,085,554.84, 99,398,367.84 and 45,938,677.08 is: 63,344,584.54
Step by Step Solution
- Step 1: Write the proportion equation
72,085,554.84 : 99,398,367.84 = 45,938,677.08 : x - Step 2: Convert to fraction form
72,085,554.84/99,398,367.84 = 45,938,677.08/x - Step 3: Cross multiply
72,085,554.84x = 99,398,367.84 × 45,938,677.08 - Step 4: Simplify right side
72,085,554.84x = 4,566,229,522,480,817 - Step 5: Solve for x
x = 4,566,229,522,480,817/72,085,554.84 - Step 6: Final answer
x = 63,344,584.54
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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.