Finding the Fourth Proportional to 90,127,535.24, 124,376,031.60 and 48,874,416.68
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Solution
The fourth proportional to 90,127,535.24, 124,376,031.60 and 48,874,416.68 is: 67,446,712.90
Step by Step Solution
- Step 1: Write the proportion equation
90,127,535.24 : 124,376,031.60 = 48,874,416.68 : x - Step 2: Convert to fraction form
90,127,535.24/124,376,031.60 = 48,874,416.68/x - Step 3: Cross multiply
90,127,535.24x = 124,376,031.60 × 48,874,416.68 - Step 4: Simplify right side
90,127,535.24x = 6,078,805,993,423,247 - Step 5: Solve for x
x = 6,078,805,993,423,247/90,127,535.24 - Step 6: Final answer
x = 67,446,712.90
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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.