Finding the Fourth Proportional to 155,925,362.81, 233,887,406.74 and 39,340,991.99
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Solution
The fourth proportional to 155,925,362.81, 233,887,406.74 and 39,340,991.99 is: 59,011,327.15
Step by Step Solution
- Step 1: Write the proportion equation
155,925,362.81 : 233,887,406.74 = 39,340,991.99 : x - Step 2: Convert to fraction form
155,925,362.81/233,887,406.74 = 39,340,991.99/x - Step 3: Cross multiply
155,925,362.81x = 233,887,406.74 × 39,340,991.99 - Step 4: Simplify right side
155,925,362.81x = 9,201,362,595,120,212 - Step 5: Solve for x
x = 9,201,362,595,120,212/155,925,362.81 - Step 6: Final answer
x = 59,011,327.15
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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.