Finding the Fourth Proportional to 87,817,341.13, 121,187,811.90 and 48,661,653.58
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Solution
The fourth proportional to 87,817,341.13, 121,187,811.90 and 48,661,653.58 is: 67,153,016.08
Step by Step Solution
- Step 1: Write the proportion equation
87,817,341.13 : 121,187,811.90 = 48,661,653.58 : x - Step 2: Convert to fraction form
87,817,341.13/121,187,811.90 = 48,661,653.58/x - Step 3: Cross multiply
87,817,341.13x = 121,187,811.90 × 48,661,653.58 - Step 4: Simplify right side
87,817,341.13x = 5,897,199,320,796,002 - Step 5: Solve for x
x = 5,897,199,320,796,002/87,817,341.13 - Step 6: Final answer
x = 67,153,016.08
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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.