Finding the Fourth Proportional to 85,645,970.36, 128,473,908.33 and 24,229,984.31
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Solution
The fourth proportional to 85,645,970.36, 128,473,908.33 and 24,229,984.31 is: 36,346,377.65
Step by Step Solution
- Step 1: Write the proportion equation
85,645,970.36 : 128,473,908.33 = 24,229,984.31 : x - Step 2: Convert to fraction form
85,645,970.36/128,473,908.33 = 24,229,984.31/x - Step 3: Cross multiply
85,645,970.36x = 128,473,908.33 × 24,229,984.31 - Step 4: Simplify right side
85,645,970.36x = 3,112,920,783,010,548 - Step 5: Solve for x
x = 3,112,920,783,010,548/85,645,970.36 - Step 6: Final answer
x = 36,346,377.65
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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.