Finding the Fourth Proportional to 51,243,531.60, 76,771,985.40 and 24,257,701.20
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Solution
The fourth proportional to 51,243,531.60, 76,771,985.40 and 24,257,701.20 is: 36,342,379.70
Step by Step Solution
- Step 1: Write the proportion equation
51,243,531.60 : 76,771,985.40 = 24,257,701.20 : x - Step 2: Convert to fraction form
51,243,531.60/76,771,985.40 = 24,257,701.20/x - Step 3: Cross multiply
51,243,531.60x = 76,771,985.40 × 24,257,701.20 - Step 4: Simplify right side
51,243,531.60x = 1,862,311,882,363,962.50 - Step 5: Solve for x
x = 1,862,311,882,363,962.50/51,243,531.60 - Step 6: Final answer
x = 36,342,379.70
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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.