Finding the Fourth Proportional to 130,481,748.91, 195,798,944.20 and 48,657,155.95
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Solution
The fourth proportional to 130,481,748.91, 195,798,944.20 and 48,657,155.95 is: 73,014,194.26
Step by Step Solution
- Step 1: Write the proportion equation
130,481,748.91 : 195,798,944.20 = 48,657,155.95 : x - Step 2: Convert to fraction form
130,481,748.91/195,798,944.20 = 48,657,155.95/x - Step 3: Cross multiply
130,481,748.91x = 195,798,944.20 × 48,657,155.95 - Step 4: Simplify right side
130,481,748.91x = 9,527,019,762,784,748 - Step 5: Solve for x
x = 9,527,019,762,784,748/130,481,748.91 - Step 6: Final answer
x = 73,014,194.26
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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.