Finding the Fourth Proportional to 130,605,312.62, 195,936,312.47 and 39,726,539.66
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Solution
The fourth proportional to 130,605,312.62, 195,936,312.47 and 39,726,539.66 is: 59,598,430.81
Step by Step Solution
- Step 1: Write the proportion equation
130,605,312.62 : 195,936,312.47 = 39,726,539.66 : x - Step 2: Convert to fraction form
130,605,312.62/195,936,312.47 = 39,726,539.66/x - Step 3: Cross multiply
130,605,312.62x = 195,936,312.47 × 39,726,539.66 - Step 4: Simplify right side
130,605,312.62x = 7,783,871,688,173,607 - Step 5: Solve for x
x = 7,783,871,688,173,607/130,605,312.62 - Step 6: Final answer
x = 59,598,430.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.