Finding the Fourth Proportional to 87,817,346.88, 121,187,819.84 and 48,661,659.33
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Solution
The fourth proportional to 87,817,346.88, 121,187,819.84 and 48,661,659.33 is: 67,153,024.01
Step by Step Solution
- Step 1: Write the proportion equation
87,817,346.88 : 121,187,819.84 = 48,661,659.33 : x - Step 2: Convert to fraction form
87,817,346.88/121,187,819.84 = 48,661,659.33/x - Step 3: Cross multiply
87,817,346.88x = 121,187,819.84 × 48,661,659.33 - Step 4: Simplify right side
87,817,346.88x = 5,897,200,403,756,186 - Step 5: Solve for x
x = 5,897,200,403,756,186/87,817,346.88 - Step 6: Final answer
x = 67,153,024.01
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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.