Finding the Fourth Proportional to 86,164,894.80, 129,310,327.80 and 60,655,726.80
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Solution
The fourth proportional to 86,164,894.80, 129,310,327.80 and 60,655,726.80 is: 91,027,928.88
Step by Step Solution
- Step 1: Write the proportion equation
86,164,894.80 : 129,310,327.80 = 60,655,726.80 : x - Step 2: Convert to fraction form
86,164,894.80/129,310,327.80 = 60,655,726.80/x - Step 3: Cross multiply
86,164,894.80x = 129,310,327.80 × 60,655,726.80 - Step 4: Simplify right side
86,164,894.80x = 7,843,411,915,455,244 - Step 5: Solve for x
x = 7,843,411,915,455,244/86,164,894.80 - Step 6: Final answer
x = 91,027,928.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.