Finding the Fourth Proportional to 87,038,283.40, 130,569,866.70 and 29,533,208.20
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Solution
The fourth proportional to 87,038,283.40, 130,569,866.70 and 29,533,208.20 is: 44,304,033.89
Step by Step Solution
- Step 1: Write the proportion equation
87,038,283.40 : 130,569,866.70 = 29,533,208.20 : x - Step 2: Convert to fraction form
87,038,283.40/130,569,866.70 = 29,533,208.20/x - Step 3: Cross multiply
87,038,283.40x = 130,569,866.70 × 29,533,208.20 - Step 4: Simplify right side
87,038,283.40x = 3,856,147,057,897,347 - Step 5: Solve for x
x = 3,856,147,057,897,347/87,038,283.40 - Step 6: Final answer
x = 44,304,033.89
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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.