Finding the Fourth Proportional to 100,749,008.16, 151,124,358.80 and 27,971,463.68
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Solution
The fourth proportional to 100,749,008.16, 151,124,358.80 and 27,971,463.68 is: 41,957,430.55
Step by Step Solution
- Step 1: Write the proportion equation
100,749,008.16 : 151,124,358.80 = 27,971,463.68 : x - Step 2: Convert to fraction form
100,749,008.16/151,124,358.80 = 27,971,463.68/x - Step 3: Cross multiply
100,749,008.16x = 151,124,358.80 × 27,971,463.68 - Step 4: Simplify right side
100,749,008.16x = 4,227,169,513,337,488.50 - Step 5: Solve for x
x = 4,227,169,513,337,488.50/100,749,008.16 - Step 6: Final answer
x = 41,957,430.55
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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.