Finding the Fourth Proportional to 216,487,983.84, 324,779,739.84 and 63,146,041.44
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Solution
The fourth proportional to 216,487,983.84, 324,779,739.84 and 63,146,041.44 is: 94,732,994.17
Step by Step Solution
- Step 1: Write the proportion equation
216,487,983.84 : 324,779,739.84 = 63,146,041.44 : x - Step 2: Convert to fraction form
216,487,983.84/324,779,739.84 = 63,146,041.44/x - Step 3: Cross multiply
216,487,983.84x = 324,779,739.84 × 63,146,041.44 - Step 4: Simplify right side
216,487,983.84x = 20,508,554,910,809,056 - Step 5: Solve for x
x = 20,508,554,910,809,056/216,487,983.84 - Step 6: Final answer
x = 94,732,994.17
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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.