Finding the Fourth Proportional to 88,578,830.90, 132,868,246.35 and 74,246,107.70
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Solution
The fourth proportional to 88,578,830.90, 132,868,246.35 and 74,246,107.70 is: 111,369,161.55
Step by Step Solution
- Step 1: Write the proportion equation
88,578,830.90 : 132,868,246.35 = 74,246,107.70 : x - Step 2: Convert to fraction form
88,578,830.90/132,868,246.35 = 74,246,107.70/x - Step 3: Cross multiply
88,578,830.90x = 132,868,246.35 × 74,246,107.70 - Step 4: Simplify right side
88,578,830.90x = 9,864,950,128,412,232 - Step 5: Solve for x
x = 9,864,950,128,412,232/88,578,830.90 - Step 6: Final answer
x = 111,369,161.55
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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.