Finding the Fourth Proportional to 312,174,135.80, 468,282,749.70 and 90,847,305.99
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Solution
The fourth proportional to 312,174,135.80, 468,282,749.70 and 90,847,305.99 is: 136,277,229.19
Step by Step Solution
- Step 1: Write the proportion equation
312,174,135.80 : 468,282,749.70 = 90,847,305.99 : x - Step 2: Convert to fraction form
312,174,135.80/468,282,749.70 = 90,847,305.99/x - Step 3: Cross multiply
312,174,135.80x = 468,282,749.70 × 90,847,305.99 - Step 4: Simplify right side
312,174,135.80x = 42,542,226,251,834,480 - Step 5: Solve for x
x = 42,542,226,251,834,480/312,174,135.80 - Step 6: Final answer
x = 136,277,229.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.