Finding the Fourth Proportional to 97,510,863.84, 134,574,621.12 and 55,701,186.72
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Solution
The fourth proportional to 97,510,863.84, 134,574,621.12 and 55,701,186.72 is: 76,873,138.06
Step by Step Solution
- Step 1: Write the proportion equation
97,510,863.84 : 134,574,621.12 = 55,701,186.72 : x - Step 2: Convert to fraction form
97,510,863.84/134,574,621.12 = 55,701,186.72/x - Step 3: Cross multiply
97,510,863.84x = 134,574,621.12 × 55,701,186.72 - Step 4: Simplify right side
97,510,863.84x = 7,495,966,098,778,376 - Step 5: Solve for x
x = 7,495,966,098,778,376/97,510,863.84 - Step 6: Final answer
x = 76,873,138.06
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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.