Finding the Fourth Proportional to 87,841,560.24, 121,221,364.40 and 48,685,864.84
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Solution
The fourth proportional to 87,841,560.24, 121,221,364.40 and 48,685,864.84 is: 67,186,499.72
Step by Step Solution
- Step 1: Write the proportion equation
87,841,560.24 : 121,221,364.40 = 48,685,864.84 : x - Step 2: Convert to fraction form
87,841,560.24/121,221,364.40 = 48,685,864.84/x - Step 3: Cross multiply
87,841,560.24x = 121,221,364.40 × 48,685,864.84 - Step 4: Simplify right side
87,841,560.24x = 5,901,766,962,898,788 - Step 5: Solve for x
x = 5,901,766,962,898,788/87,841,560.24 - Step 6: Final answer
x = 67,186,499.72
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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.