Finding the Fourth Proportional to 97,866,031.40, 135,059,972.60 and 60,708,285.62
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Solution
The fourth proportional to 97,866,031.40, 135,059,972.60 and 60,708,285.62 is: 83,780,442.26
Step by Step Solution
- Step 1: Write the proportion equation
97,866,031.40 : 135,059,972.60 = 60,708,285.62 : x - Step 2: Convert to fraction form
97,866,031.40/135,059,972.60 = 60,708,285.62/x - Step 3: Cross multiply
97,866,031.40x = 135,059,972.60 × 60,708,285.62 - Step 4: Simplify right side
97,866,031.40x = 8,199,259,392,413,119 - Step 5: Solve for x
x = 8,199,259,392,413,119/97,866,031.40 - Step 6: Final answer
x = 83,780,442.26
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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.