Finding the Fourth Proportional to 54,438,910.80, 81,563,887.80 and 45,935,854.80
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Solution
The fourth proportional to 54,438,910.80, 81,563,887.80 and 45,935,854.80 is: 68,824,060.80
Step by Step Solution
- Step 1: Write the proportion equation
54,438,910.80 : 81,563,887.80 = 45,935,854.80 : x - Step 2: Convert to fraction form
54,438,910.80/81,563,887.80 = 45,935,854.80/x - Step 3: Cross multiply
54,438,910.80x = 81,563,887.80 × 45,935,854.80 - Step 4: Simplify right side
54,438,910.80x = 3,746,706,906,904,291 - Step 5: Solve for x
x = 3,746,706,906,904,291/54,438,910.80 - Step 6: Final answer
x = 68,824,060.80
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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.