Finding the Fourth Proportional to 77,594,013.84, 116,393,770.44 and 19,301,995.65
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Solution
The fourth proportional to 77,594,013.84, 116,393,770.44 and 19,301,995.65 is: 28,953,677.48
Step by Step Solution
- Step 1: Write the proportion equation
77,594,013.84 : 116,393,770.44 = 19,301,995.65 : x - Step 2: Convert to fraction form
77,594,013.84/116,393,770.44 = 19,301,995.65/x - Step 3: Cross multiply
77,594,013.84x = 116,393,770.44 × 19,301,995.65 - Step 4: Simplify right side
77,594,013.84x = 2,246,632,050,719,978.25 - Step 5: Solve for x
x = 2,246,632,050,719,978.25/77,594,013.84 - Step 6: Final answer
x = 28,953,677.48
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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.