Finding the Fourth Proportional to 217,670,302.37, 326,645,922.51 and 79,484,339.68
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Solution
The fourth proportional to 217,670,302.37, 326,645,922.51 and 79,484,339.68 is: 119,277,803.07
Step by Step Solution
- Step 1: Write the proportion equation
217,670,302.37 : 326,645,922.51 = 79,484,339.68 : x - Step 2: Convert to fraction form
217,670,302.37/326,645,922.51 = 79,484,339.68/x - Step 3: Cross multiply
217,670,302.37x = 326,645,922.51 × 79,484,339.68 - Step 4: Simplify right side
217,670,302.37x = 25,963,235,459,871,800 - Step 5: Solve for x
x = 25,963,235,459,871,800/217,670,302.37 - Step 6: Final answer
x = 119,277,803.07
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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.