Finding the Fourth Proportional to 124,260,718.13, 186,417,982.76 and 47,583,749.09
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Solution
The fourth proportional to 124,260,718.13, 186,417,982.76 and 47,583,749.09 is: 71,385,926.70
Step by Step Solution
- Step 1: Write the proportion equation
124,260,718.13 : 186,417,982.76 = 47,583,749.09 : x - Step 2: Convert to fraction form
124,260,718.13/186,417,982.76 = 47,583,749.09/x - Step 3: Cross multiply
124,260,718.13x = 186,417,982.76 × 47,583,749.09 - Step 4: Simplify right side
124,260,718.13x = 8,870,466,516,345,777 - Step 5: Solve for x
x = 8,870,466,516,345,777/124,260,718.13 - Step 6: Final answer
x = 71,385,926.70
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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.