Finding the Fourth Proportional to 155,186,724.19, 214,077,534.36 and 96,427,064.29
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Solution
The fourth proportional to 155,186,724.19, 214,077,534.36 and 96,427,064.29 is: 133,019,549.68
Step by Step Solution
- Step 1: Write the proportion equation
155,186,724.19 : 214,077,534.36 = 96,427,064.29 : x - Step 2: Convert to fraction form
155,186,724.19/214,077,534.36 = 96,427,064.29/x - Step 3: Cross multiply
155,186,724.19x = 214,077,534.36 × 96,427,064.29 - Step 4: Simplify right side
155,186,724.19x = 20,642,868,168,776,408 - Step 5: Solve for x
x = 20,642,868,168,776,408/155,186,724.19 - Step 6: Final answer
x = 133,019,549.68
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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.