Finding the Fourth Proportional to 121,169,094,805.20, 181,753,642,207.80 and 58,406,975,587.20
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Solution
The fourth proportional to 121,169,094,805.20, 181,753,642,207.80 and 58,406,975,587.20 is: 87,610,463,380.80
Step by Step Solution
- Step 1: Write the proportion equation
121,169,094,805.20 : 181,753,642,207.80 = 58,406,975,587.20 : x - Step 2: Convert to fraction form
121,169,094,805.20/181,753,642,207.80 = 58,406,975,587.20/x - Step 3: Cross multiply
121,169,094,805.20x = 181,753,642,207.80 × 58,406,975,587.20 - Step 4: Simplify right side
121,169,094,805.20x = 10,615,680,543,315,657,228,288 - Step 5: Solve for x
x = 10,615,680,543,315,657,228,288/121,169,094,805.20 - Step 6: Final answer
x = 87,610,463,380.80
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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.