Finding the Fourth Proportional to 83,321,159.84, 114,984,387.58 and 48,038,266.96
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Solution
The fourth proportional to 83,321,159.84, 114,984,387.58 and 48,038,266.96 is: 66,293,492.76
Step by Step Solution
- Step 1: Write the proportion equation
83,321,159.84 : 114,984,387.58 = 48,038,266.96 : x - Step 2: Convert to fraction form
83,321,159.84/114,984,387.58 = 48,038,266.96/x - Step 3: Cross multiply
83,321,159.84x = 114,984,387.58 × 48,038,266.96 - Step 4: Simplify right side
83,321,159.84x = 5,523,650,706,800,148 - Step 5: Solve for x
x = 5,523,650,706,800,148/83,321,159.84 - Step 6: Final answer
x = 66,293,492.76
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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.