Finding the Fourth Proportional to 84,371,178.14, 126,350,387.26 and 76,192,303.58
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Solution
The fourth proportional to 84,371,178.14, 126,350,387.26 and 76,192,303.58 is: 114,102,081.73
Step by Step Solution
- Step 1: Write the proportion equation
84,371,178.14 : 126,350,387.26 = 76,192,303.58 : x - Step 2: Convert to fraction form
84,371,178.14/126,350,387.26 = 76,192,303.58/x - Step 3: Cross multiply
84,371,178.14x = 126,350,387.26 × 76,192,303.58 - Step 4: Simplify right side
84,371,178.14x = 9,626,927,063,564,484 - Step 5: Solve for x
x = 9,626,927,063,564,484/84,371,178.14 - Step 6: Final answer
x = 114,102,081.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.