Finding the Fourth Proportional to 127,881,614.15, 176,475,599.61 and 74,241,252.57
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Solution
The fourth proportional to 127,881,614.15, 176,475,599.61 and 74,241,252.57 is: 102,452,331.79
Step by Step Solution
- Step 1: Write the proportion equation
127,881,614.15 : 176,475,599.61 = 74,241,252.57 : x - Step 2: Convert to fraction form
127,881,614.15/176,475,599.61 = 74,241,252.57/x - Step 3: Cross multiply
127,881,614.15x = 176,475,599.61 × 74,241,252.57 - Step 4: Simplify right side
127,881,614.15x = 13,101,769,563,565,916 - Step 5: Solve for x
x = 13,101,769,563,565,916/127,881,614.15 - Step 6: Final answer
x = 102,452,331.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.