Finding the Fourth Proportional to 219,677,692, 303,155,215.68 and 121,908,281.44
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Solution
The fourth proportional to 219,677,692, 303,155,215.68 and 121,908,281.44 is: 168,233,428.79
Step by Step Solution
- Step 1: Write the proportion equation
219,677,692 : 303,155,215.68 = 121,908,281.44 : x - Step 2: Convert to fraction form
219,677,692/303,155,215.68 = 121,908,281.44/x - Step 3: Cross multiply
219,677,692x = 303,155,215.68 × 121,908,281.44 - Step 4: Simplify right side
219,677,692x = 36,957,131,353,121,344 - Step 5: Solve for x
x = 36,957,131,353,121,344/219,677,692 - Step 6: Final answer
x = 168,233,428.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.