Finding the Fourth Proportional to 89,520,429.74, 134,280,203.97 and 77,352,864.62
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Solution
The fourth proportional to 89,520,429.74, 134,280,203.97 and 77,352,864.62 is: 116,028,916.18
Step by Step Solution
- Step 1: Write the proportion equation
89,520,429.74 : 134,280,203.97 = 77,352,864.62 : x - Step 2: Convert to fraction form
89,520,429.74/134,280,203.97 = 77,352,864.62/x - Step 3: Cross multiply
89,520,429.74x = 134,280,203.97 × 77,352,864.62 - Step 4: Simplify right side
89,520,429.74x = 10,386,958,438,837,398 - Step 5: Solve for x
x = 10,386,958,438,837,398/89,520,429.74 - Step 6: Final answer
x = 116,028,916.18
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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.