Finding the Fourth Proportional to 134,730,104.80, 202,095,157.20 and 121,125,215.20
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Solution
The fourth proportional to 134,730,104.80, 202,095,157.20 and 121,125,215.20 is: 181,687,822.80
Step by Step Solution
- Step 1: Write the proportion equation
134,730,104.80 : 202,095,157.20 = 121,125,215.20 : x - Step 2: Convert to fraction form
134,730,104.80/202,095,157.20 = 121,125,215.20/x - Step 3: Cross multiply
134,730,104.80x = 202,095,157.20 × 121,125,215.20 - Step 4: Simplify right side
134,730,104.80x = 24,478,819,406,727,828 - Step 5: Solve for x
x = 24,478,819,406,727,828/134,730,104.80 - Step 6: Final answer
x = 181,687,822.80
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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.