Finding the Fourth Proportional to 86,852,477.13, 130,251,104.95 and 28,546,707.21
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Solution
The fourth proportional to 86,852,477.13, 130,251,104.95 and 28,546,707.21 is: 42,810,985.70
Step by Step Solution
- Step 1: Write the proportion equation
86,852,477.13 : 130,251,104.95 = 28,546,707.21 : x - Step 2: Convert to fraction form
86,852,477.13/130,251,104.95 = 28,546,707.21/x - Step 3: Cross multiply
86,852,477.13x = 130,251,104.95 × 28,546,707.21 - Step 4: Simplify right side
86,852,477.13x = 3,718,240,156,786,632 - Step 5: Solve for x
x = 3,718,240,156,786,632/86,852,477.13 - Step 6: Final answer
x = 42,810,985.70
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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.