Finding the Fourth Proportional to 77,212,674.06, 115,818,913.28 and 19,704,946.52
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Solution
The fourth proportional to 77,212,674.06, 115,818,913.28 and 19,704,946.52 is: 29,557,394.82
Step by Step Solution
- Step 1: Write the proportion equation
77,212,674.06 : 115,818,913.28 = 19,704,946.52 : x - Step 2: Convert to fraction form
77,212,674.06/115,818,913.28 = 19,704,946.52/x - Step 3: Cross multiply
77,212,674.06x = 115,818,913.28 × 19,704,946.52 - Step 4: Simplify right side
77,212,674.06x = 2,282,205,492,186,918 - Step 5: Solve for x
x = 2,282,205,492,186,918/77,212,674.06 - Step 6: Final answer
x = 29,557,394.82
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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.