Finding the Fourth Proportional to 83,939,434.95, 125,857,864.88 and 40,233,567.18
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Solution
The fourth proportional to 83,939,434.95, 125,857,864.88 and 40,233,567.18 is: 60,325,767.80
Step by Step Solution
- Step 1: Write the proportion equation
83,939,434.95 : 125,857,864.88 = 40,233,567.18 : x - Step 2: Convert to fraction form
83,939,434.95/125,857,864.88 = 40,233,567.18/x - Step 3: Cross multiply
83,939,434.95x = 125,857,864.88 × 40,233,567.18 - Step 4: Simplify right side
83,939,434.95x = 5,063,710,861,735,674 - Step 5: Solve for x
x = 5,063,710,861,735,674/83,939,434.95 - Step 6: Final answer
x = 60,325,767.80
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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.