Finding the Fourth Proportional to 149,087,004.14, 205,283,769.86 and 148,656,536.93
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Solution
The fourth proportional to 149,087,004.14, 205,283,769.86 and 148,656,536.93 is: 204,691,042.60
Step by Step Solution
- Step 1: Write the proportion equation
149,087,004.14 : 205,283,769.86 = 148,656,536.93 : x - Step 2: Convert to fraction form
149,087,004.14/205,283,769.86 = 148,656,536.93/x - Step 3: Cross multiply
149,087,004.14x = 205,283,769.86 × 148,656,536.93 - Step 4: Simplify right side
149,087,004.14x = 30,516,774,316,207,564 - Step 5: Solve for x
x = 30,516,774,316,207,564/149,087,004.14 - Step 6: Final answer
x = 204,691,042.60
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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.