Finding the Fourth Proportional to 130,849,209.71, 180,571,937.83 and 71,310,519.92
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Solution
The fourth proportional to 130,849,209.71, 180,571,937.83 and 71,310,519.92 is: 98,408,532.98
Step by Step Solution
- Step 1: Write the proportion equation
130,849,209.71 : 180,571,937.83 = 71,310,519.92 : x - Step 2: Convert to fraction form
130,849,209.71/180,571,937.83 = 71,310,519.92/x - Step 3: Cross multiply
130,849,209.71x = 180,571,937.83 × 71,310,519.92 - Step 4: Simplify right side
130,849,209.71x = 12,876,678,769,619,218 - Step 5: Solve for x
x = 12,876,678,769,619,218/130,849,209.71 - Step 6: Final answer
x = 98,408,532.98
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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.