Finding the Fourth Proportional to 157,012,000.28, 235,553,126.92 and 47,845,715.12
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Solution
The fourth proportional to 157,012,000.28, 235,553,126.92 and 47,845,715.12 is: 71,779,276.65
Step by Step Solution
- Step 1: Write the proportion equation
157,012,000.28 : 235,553,126.92 = 47,845,715.12 : x - Step 2: Convert to fraction form
157,012,000.28/235,553,126.92 = 47,845,715.12/x - Step 3: Cross multiply
157,012,000.28x = 235,553,126.92 × 47,845,715.12 - Step 4: Simplify right side
157,012,000.28x = 11,270,207,806,239,522 - Step 5: Solve for x
x = 11,270,207,806,239,522/157,012,000.28 - Step 6: Final answer
x = 71,779,276.65
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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.