Finding the Fourth Proportional to 79,062,225.64, 118,438,885.98 and 54,465,812.20
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Solution
The fourth proportional to 79,062,225.64, 118,438,885.98 and 54,465,812.20 is: 81,592,316.29
Step by Step Solution
- Step 1: Write the proportion equation
79,062,225.64 : 118,438,885.98 = 54,465,812.20 : x - Step 2: Convert to fraction form
79,062,225.64/118,438,885.98 = 54,465,812.20/x - Step 3: Cross multiply
79,062,225.64x = 118,438,885.98 × 54,465,812.20 - Step 4: Simplify right side
79,062,225.64x = 6,450,870,120,963,894 - Step 5: Solve for x
x = 6,450,870,120,963,894/79,062,225.64 - Step 6: Final answer
x = 81,592,316.29
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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.