Finding the Fourth Proportional to 215,897,283.98, 323,846,870.14 and 68,345,564.36
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Solution
The fourth proportional to 215,897,283.98, 323,846,870.14 and 68,345,564.36 is: 102,518,645.42
Step by Step Solution
- Step 1: Write the proportion equation
215,897,283.98 : 323,846,870.14 = 68,345,564.36 : x - Step 2: Convert to fraction form
215,897,283.98/323,846,870.14 = 68,345,564.36/x - Step 3: Cross multiply
215,897,283.98x = 323,846,870.14 × 68,345,564.36 - Step 4: Simplify right side
215,897,283.98x = 22,133,497,104,487,944 - Step 5: Solve for x
x = 22,133,497,104,487,944/215,897,283.98 - Step 6: Final answer
x = 102,518,645.42
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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.