Finding the Fourth Proportional to 224,681,871.81, 310,034,129.67 and 124,196,734.97
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Solution
The fourth proportional to 224,681,871.81, 310,034,129.67 and 124,196,734.97 is: 171,376,650.56
Step by Step Solution
- Step 1: Write the proportion equation
224,681,871.81 : 310,034,129.67 = 124,196,734.97 : x - Step 2: Convert to fraction form
224,681,871.81/310,034,129.67 = 124,196,734.97/x - Step 3: Cross multiply
224,681,871.81x = 310,034,129.67 × 124,196,734.97 - Step 4: Simplify right side
224,681,871.81x = 38,505,226,632,729,440 - Step 5: Solve for x
x = 38,505,226,632,729,440/224,681,871.81 - Step 6: Final answer
x = 171,376,650.56
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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.