Finding the Fourth Proportional to 88,569,643.80, 132,854,465.70 and 48,258,859.80
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Solution
The fourth proportional to 88,569,643.80, 132,854,465.70 and 48,258,859.80 is: 72,388,289.70
Step by Step Solution
- Step 1: Write the proportion equation
88,569,643.80 : 132,854,465.70 = 48,258,859.80 : x - Step 2: Convert to fraction form
88,569,643.80/132,854,465.70 = 48,258,859.80/x - Step 3: Cross multiply
88,569,643.80x = 132,854,465.70 × 48,258,859.80 - Step 4: Simplify right side
88,569,643.80x = 6,411,405,034,020,209 - Step 5: Solve for x
x = 6,411,405,034,020,209/88,569,643.80 - Step 6: Final answer
x = 72,388,289.70
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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.