Finding the Fourth Proportional to 94,961,916.60, 142,442,874.90 and 79,656,415.80
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Solution
The fourth proportional to 94,961,916.60, 142,442,874.90 and 79,656,415.80 is: 119,484,623.70
Step by Step Solution
- Step 1: Write the proportion equation
94,961,916.60 : 142,442,874.90 = 79,656,415.80 : x - Step 2: Convert to fraction form
94,961,916.60/142,442,874.90 = 79,656,415.80/x - Step 3: Cross multiply
94,961,916.60x = 142,442,874.90 × 79,656,415.80 - Step 4: Simplify right side
94,961,916.60x = 11,346,488,870,781,784 - Step 5: Solve for x
x = 11,346,488,870,781,784/94,961,916.60 - Step 6: Final answer
x = 119,484,623.70
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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.