Finding the Fourth Proportional to 87,817,428.14, 121,187,930.84 and 48,661,739.78
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Solution
The fourth proportional to 87,817,428.14, 121,187,930.84 and 48,661,739.78 is: 67,153,134.40
Step by Step Solution
- Step 1: Write the proportion equation
87,817,428.14 : 121,187,930.84 = 48,661,739.78 : x - Step 2: Convert to fraction form
87,817,428.14/121,187,930.84 = 48,661,739.78/x - Step 3: Cross multiply
87,817,428.14x = 121,187,930.84 × 48,661,739.78 - Step 4: Simplify right side
87,817,428.14x = 5,897,215,554,163,468 - Step 5: Solve for x
x = 5,897,215,554,163,468/87,817,428.14 - Step 6: Final answer
x = 67,153,134.40
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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.