Finding the Fourth Proportional to 86,184,946.80, 129,277,420.20 and 35,103,625.20
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Solution
The fourth proportional to 86,184,946.80, 129,277,420.20 and 35,103,625.20 is: 52,655,437.80
Step by Step Solution
- Step 1: Write the proportion equation
86,184,946.80 : 129,277,420.20 = 35,103,625.20 : x - Step 2: Convert to fraction form
86,184,946.80/129,277,420.20 = 35,103,625.20/x - Step 3: Cross multiply
86,184,946.80x = 129,277,420.20 × 35,103,625.20 - Step 4: Simplify right side
86,184,946.80x = 4,538,106,105,523,710 - Step 5: Solve for x
x = 4,538,106,105,523,710/86,184,946.80 - Step 6: Final answer
x = 52,655,437.80
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Similar ratio
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1.5x scale
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.