Finding the Fourth Proportional to 77,088,267.49, 115,639,198.08 and 21,756,595.36
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Solution
The fourth proportional to 77,088,267.49, 115,639,198.08 and 21,756,595.36 is: 32,636,811.31
Step by Step Solution
- Step 1: Write the proportion equation
77,088,267.49 : 115,639,198.08 = 21,756,595.36 : x - Step 2: Convert to fraction form
77,088,267.49/115,639,198.08 = 21,756,595.36/x - Step 3: Cross multiply
77,088,267.49x = 115,639,198.08 × 21,756,595.36 - Step 4: Simplify right side
77,088,267.49x = 2,515,915,240,381,449 - Step 5: Solve for x
x = 2,515,915,240,381,449/77,088,267.49 - Step 6: Final answer
x = 32,636,811.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.