Finding the Fourth Proportional to 77,213,364.77, 115,819,954.20 and 19,705,642.08
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Solution
The fourth proportional to 77,213,364.77, 115,819,954.20 and 19,705,642.08 is: 29,558,439.40
Step by Step Solution
- Step 1: Write the proportion equation
77,213,364.77 : 115,819,954.20 = 19,705,642.08 : x - Step 2: Convert to fraction form
77,213,364.77/115,819,954.20 = 19,705,642.08/x - Step 3: Cross multiply
77,213,364.77x = 115,819,954.20 × 19,705,642.08 - Step 4: Simplify right side
77,213,364.77x = 2,282,306,563,088,664 - Step 5: Solve for x
x = 2,282,306,563,088,664/77,213,364.77 - Step 6: Final answer
x = 29,558,439.40
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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.