Finding the Fourth Proportional to 107,750,486.40, 161,727,206.40 and 56,669,164.80
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Solution
The fourth proportional to 107,750,486.40, 161,727,206.40 and 56,669,164.80 is: 85,057,116.85
Step by Step Solution
- Step 1: Write the proportion equation
107,750,486.40 : 161,727,206.40 = 56,669,164.80 : x - Step 2: Convert to fraction form
107,750,486.40/161,727,206.40 = 56,669,164.80/x - Step 3: Cross multiply
107,750,486.40x = 161,727,206.40 × 56,669,164.80 - Step 4: Simplify right side
107,750,486.40x = 9,164,945,712,125,214 - Step 5: Solve for x
x = 9,164,945,712,125,214/107,750,486.40 - Step 6: Final answer
x = 85,057,116.85
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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.