Finding the Fourth Proportional to 98,521,261.57, 135,936,740.86 and 58,821,057.19
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Solution
The fourth proportional to 98,521,261.57, 135,936,740.86 and 58,821,057.19 is: 81,159,565.77
Step by Step Solution
- Step 1: Write the proportion equation
98,521,261.57 : 135,936,740.86 = 58,821,057.19 : x - Step 2: Convert to fraction form
98,521,261.57/135,936,740.86 = 58,821,057.19/x - Step 3: Cross multiply
98,521,261.57x = 135,936,740.86 × 58,821,057.19 - Step 4: Simplify right side
98,521,261.57x = 7,995,942,808,348,270 - Step 5: Solve for x
x = 7,995,942,808,348,270/98,521,261.57 - Step 6: Final answer
x = 81,159,565.77
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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.