Finding the Fourth Proportional to 117,499,750.20, 176,249,625.30 and 93,313,279.80
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Solution
The fourth proportional to 117,499,750.20, 176,249,625.30 and 93,313,279.80 is: 139,969,919.70
Step by Step Solution
- Step 1: Write the proportion equation
117,499,750.20 : 176,249,625.30 = 93,313,279.80 : x - Step 2: Convert to fraction form
117,499,750.20/176,249,625.30 = 93,313,279.80/x - Step 3: Cross multiply
117,499,750.20x = 176,249,625.30 × 93,313,279.80 - Step 4: Simplify right side
117,499,750.20x = 16,446,430,600,264,060 - Step 5: Solve for x
x = 16,446,430,600,264,060/117,499,750.20 - Step 6: Final answer
x = 139,969,919.70
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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.