Finding the Fourth Proportional to 124,525,213.20, 186,867,535.95 and 72,709,715.70
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Solution
The fourth proportional to 124,525,213.20, 186,867,535.95 and 72,709,715.70 is: 109,111,119.45
Step by Step Solution
- Step 1: Write the proportion equation
124,525,213.20 : 186,867,535.95 = 72,709,715.70 : x - Step 2: Convert to fraction form
124,525,213.20/186,867,535.95 = 72,709,715.70/x - Step 3: Cross multiply
124,525,213.20x = 186,867,535.95 × 72,709,715.70 - Step 4: Simplify right side
124,525,213.20x = 13,587,085,412,484,030 - Step 5: Solve for x
x = 13,587,085,412,484,030/124,525,213.20 - Step 6: Final answer
x = 109,111,119.45
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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.