Finding the Fourth Proportional to 117,499,862.20, 176,249,793.30 and 93,313,391.80
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Solution
The fourth proportional to 117,499,862.20, 176,249,793.30 and 93,313,391.80 is: 139,970,087.70
Step by Step Solution
- Step 1: Write the proportion equation
117,499,862.20 : 176,249,793.30 = 93,313,391.80 : x - Step 2: Convert to fraction form
117,499,862.20/176,249,793.30 = 93,313,391.80/x - Step 3: Cross multiply
117,499,862.20x = 176,249,793.30 × 93,313,391.80 - Step 4: Simplify right side
117,499,862.20x = 16,446,466,016,871,916 - Step 5: Solve for x
x = 16,446,466,016,871,916/117,499,862.20 - Step 6: Final answer
x = 139,970,087.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.