Finding the Fourth Proportional to 87,826,966.44, 121,201,931.04 and 48,669,396.95
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Solution
The fourth proportional to 87,826,966.44, 121,201,931.04 and 48,669,396.95 is: 67,164,165.32
Step by Step Solution
- Step 1: Write the proportion equation
87,826,966.44 : 121,201,931.04 = 48,669,396.95 : x - Step 2: Convert to fraction form
87,826,966.44/121,201,931.04 = 48,669,396.95/x - Step 3: Cross multiply
87,826,966.44x = 121,201,931.04 × 48,669,396.95 - Step 4: Simplify right side
87,826,966.44x = 5,898,824,893,012,781 - Step 5: Solve for x
x = 5,898,824,893,012,781/87,826,966.44 - Step 6: Final answer
x = 67,164,165.32
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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.