Finding the Fourth Proportional to 71,829,378, 99,124,552.71 and 39,234,330
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Solution
The fourth proportional to 71,829,378, 99,124,552.71 and 39,234,330 is: 54,143,381.45
Step by Step Solution
- Step 1: Write the proportion equation
71,829,378 : 99,124,552.71 = 39,234,330 : x - Step 2: Convert to fraction form
71,829,378/99,124,552.71 = 39,234,330/x - Step 3: Cross multiply
71,829,378x = 99,124,552.71 × 39,234,330 - Step 4: Simplify right side
71,829,378x = 3,889,085,412,126,534 - Step 5: Solve for x
x = 3,889,085,412,126,534/71,829,378 - Step 6: Final answer
x = 54,143,381.45
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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.