Finding the Fourth Proportional to 158,960,531.84, 219,367,484.16 and 96,235,777.76
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Solution
The fourth proportional to 158,960,531.84, 219,367,484.16 and 96,235,777.76 is: 132,806,553.99
Step by Step Solution
- Step 1: Write the proportion equation
158,960,531.84 : 219,367,484.16 = 96,235,777.76 : x - Step 2: Convert to fraction form
158,960,531.84/219,367,484.16 = 96,235,777.76/x - Step 3: Cross multiply
158,960,531.84x = 219,367,484.16 × 96,235,777.76 - Step 4: Simplify right side
158,960,531.84x = 21,111,000,453,392,080 - Step 5: Solve for x
x = 21,111,000,453,392,080/158,960,531.84 - Step 6: Final answer
x = 132,806,553.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.