Finding the Fourth Proportional to 163,301,330.70, 245,316,949.65 and 136,427,474.70
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Solution
The fourth proportional to 163,301,330.70, 245,316,949.65 and 136,427,474.70 is: 204,946,106.68
Step by Step Solution
- Step 1: Write the proportion equation
163,301,330.70 : 245,316,949.65 = 136,427,474.70 : x - Step 2: Convert to fraction form
163,301,330.70/245,316,949.65 = 136,427,474.70/x - Step 3: Cross multiply
163,301,330.70x = 245,316,949.65 × 136,427,474.70 - Step 4: Simplify right side
163,301,330.70x = 33,467,971,941,856,548 - Step 5: Solve for x
x = 33,467,971,941,856,548/163,301,330.70 - Step 6: Final answer
x = 204,946,106.68
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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.