Finding the Fourth Proportional to 52,731,726.87, 72,770,365.17 and 29,210,623.95
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Solution
The fourth proportional to 52,731,726.87, 72,770,365.17 and 29,210,623.95 is: 40,310,983.50
Step by Step Solution
- Step 1: Write the proportion equation
52,731,726.87 : 72,770,365.17 = 29,210,623.95 : x - Step 2: Convert to fraction form
52,731,726.87/72,770,365.17 = 29,210,623.95/x - Step 3: Cross multiply
52,731,726.87x = 72,770,365.17 × 29,210,623.95 - Step 4: Simplify right side
52,731,726.87x = 2,125,667,771,685,047.75 - Step 5: Solve for x
x = 2,125,667,771,685,047.75/52,731,726.87 - Step 6: Final answer
x = 40,310,983.50
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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.