Finding the Fourth Proportional to 87,734,930.69, 121,077,986.76 and 48,576,707.13
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Solution
The fourth proportional to 87,734,930.69, 121,077,986.76 and 48,576,707.13 is: 67,037,950.07
Step by Step Solution
- Step 1: Write the proportion equation
87,734,930.69 : 121,077,986.76 = 48,576,707.13 : x - Step 2: Convert to fraction form
87,734,930.69/121,077,986.76 = 48,576,707.13/x - Step 3: Cross multiply
87,734,930.69x = 121,077,986.76 × 48,576,707.13 - Step 4: Simplify right side
87,734,930.69x = 5,881,569,903,184,580 - Step 5: Solve for x
x = 5,881,569,903,184,580/87,734,930.69 - Step 6: Final answer
x = 67,037,950.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.