Finding the Fourth Proportional to 111,841,281.20, 154,261,463.94 and 74,652,811.49
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Solution
The fourth proportional to 111,841,281.20, 154,261,463.94 and 74,652,811.49 is: 102,967,811.74
Step by Step Solution
- Step 1: Write the proportion equation
111,841,281.20 : 154,261,463.94 = 74,652,811.49 : x - Step 2: Convert to fraction form
111,841,281.20/154,261,463.94 = 74,652,811.49/x - Step 3: Cross multiply
111,841,281.20x = 154,261,463.94 × 74,652,811.49 - Step 4: Simplify right side
111,841,281.20x = 11,516,051,988,069,908 - Step 5: Solve for x
x = 11,516,051,988,069,908/111,841,281.20 - Step 6: Final answer
x = 102,967,811.74
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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.