Finding the Fourth Proportional to 124,416,641.70, 186,624,962.55 and 115,346,715.30
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Solution
The fourth proportional to 124,416,641.70, 186,624,962.55 and 115,346,715.30 is: 173,020,072.95
Step by Step Solution
- Step 1: Write the proportion equation
124,416,641.70 : 186,624,962.55 = 115,346,715.30 : x - Step 2: Convert to fraction form
124,416,641.70/186,624,962.55 = 115,346,715.30/x - Step 3: Cross multiply
124,416,641.70x = 186,624,962.55 × 115,346,715.30 - Step 4: Simplify right side
124,416,641.70x = 21,526,576,423,128,012 - Step 5: Solve for x
x = 21,526,576,423,128,012/124,416,641.70 - Step 6: Final answer
x = 173,020,072.95
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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.