Finding the Fourth Proportional to 283,941,312.21, 425,869,342.47 and 89,827,505.19
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Solution
The fourth proportional to 283,941,312.21, 425,869,342.47 and 89,827,505.19 is: 134,727,772.70
Step by Step Solution
- Step 1: Write the proportion equation
283,941,312.21 : 425,869,342.47 = 89,827,505.19 : x - Step 2: Convert to fraction form
283,941,312.21/425,869,342.47 = 89,827,505.19/x - Step 3: Cross multiply
283,941,312.21x = 425,869,342.47 × 89,827,505.19 - Step 4: Simplify right side
283,941,312.21x = 38,254,780,570,985,816 - Step 5: Solve for x
x = 38,254,780,570,985,816/283,941,312.21 - Step 6: Final answer
x = 134,727,772.70
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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.