Finding the Fourth Proportional to 307,417,639.68, 461,125,898.28 and 100,155,805.56
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Solution
The fourth proportional to 307,417,639.68, 461,125,898.28 and 100,155,805.56 is: 150,233,525.49
Step by Step Solution
- Step 1: Write the proportion equation
307,417,639.68 : 461,125,898.28 = 100,155,805.56 : x - Step 2: Convert to fraction form
307,417,639.68/461,125,898.28 = 100,155,805.56/x - Step 3: Cross multiply
307,417,639.68x = 461,125,898.28 × 100,155,805.56 - Step 4: Simplify right side
307,417,639.68x = 46,184,435,806,812,016 - Step 5: Solve for x
x = 46,184,435,806,812,016/307,417,639.68 - Step 6: Final answer
x = 150,233,525.49
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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.