Finding the Fourth Proportional to 87,838,340.64, 121,216,913.55 and 48,686,002.98
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Solution
The fourth proportional to 87,838,340.64, 121,216,913.55 and 48,686,002.98 is: 67,186,686.03
Step by Step Solution
- Step 1: Write the proportion equation
87,838,340.64 : 121,216,913.55 = 48,686,002.98 : x - Step 2: Convert to fraction form
87,838,340.64/121,216,913.55 = 48,686,002.98/x - Step 3: Cross multiply
87,838,340.64x = 121,216,913.55 × 48,686,002.98 - Step 4: Simplify right side
87,838,340.64x = 5,901,567,014,321,702 - Step 5: Solve for x
x = 5,901,567,014,321,702/87,838,340.64 - Step 6: Final answer
x = 67,186,686.03
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.