Finding the Fourth Proportional to 90,127,614.36, 124,376,140.62 and 48,874,495.80
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Solution
The fourth proportional to 90,127,614.36, 124,376,140.62 and 48,874,495.80 is: 67,446,821.99
Step by Step Solution
- Step 1: Write the proportion equation
90,127,614.36 : 124,376,140.62 = 48,874,495.80 : x - Step 2: Convert to fraction form
90,127,614.36/124,376,140.62 = 48,874,495.80/x - Step 3: Cross multiply
90,127,614.36x = 124,376,140.62 × 48,874,495.80 - Step 4: Simplify right side
90,127,614.36x = 6,078,821,162,352,399 - Step 5: Solve for x
x = 6,078,821,162,352,399/90,127,614.36 - Step 6: Final answer
x = 67,446,821.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.