Finding the Fourth Proportional to 130,574,157.03, 180,192,328.47 and 71,835,562.04
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Solution
The fourth proportional to 130,574,157.03, 180,192,328.47 and 71,835,562.04 is: 99,133,071.09
Step by Step Solution
- Step 1: Write the proportion equation
130,574,157.03 : 180,192,328.47 = 71,835,562.04 : x - Step 2: Convert to fraction form
130,574,157.03/180,192,328.47 = 71,835,562.04/x - Step 3: Cross multiply
130,574,157.03x = 180,192,328.47 × 71,835,562.04 - Step 4: Simplify right side
130,574,157.03x = 12,944,217,191,253,942 - Step 5: Solve for x
x = 12,944,217,191,253,942/130,574,157.03 - Step 6: Final answer
x = 99,133,071.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.