Finding the Fourth Proportional to 130,605,312.13, 195,936,311.72 and 39,726,539.17
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Solution
The fourth proportional to 130,605,312.13, 195,936,311.72 and 39,726,539.17 is: 59,598,430.07
Step by Step Solution
- Step 1: Write the proportion equation
130,605,312.13 : 195,936,311.72 = 39,726,539.17 : x - Step 2: Convert to fraction form
130,605,312.13/195,936,311.72 = 39,726,539.17/x - Step 3: Cross multiply
130,605,312.13x = 195,936,311.72 × 39,726,539.17 - Step 4: Simplify right side
130,605,312.13x = 7,783,871,561,979,385 - Step 5: Solve for x
x = 7,783,871,561,979,385/130,605,312.13 - Step 6: Final answer
x = 59,598,430.07
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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.