Finding the Fourth Proportional to 88,573,756.10, 132,860,634.15 and 74,464,981.70
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Solution
The fourth proportional to 88,573,756.10, 132,860,634.15 and 74,464,981.70 is: 111,697,472.55
Step by Step Solution
- Step 1: Write the proportion equation
88,573,756.10 : 132,860,634.15 = 74,464,981.70 : x - Step 2: Convert to fraction form
88,573,756.10/132,860,634.15 = 74,464,981.70/x - Step 3: Cross multiply
88,573,756.10x = 132,860,634.15 × 74,464,981.70 - Step 4: Simplify right side
88,573,756.10x = 9,893,464,690,630,146 - Step 5: Solve for x
x = 9,893,464,690,630,146/88,573,756.10 - Step 6: Final answer
x = 111,697,472.55
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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.