Finding the Fourth Proportional to 69,869,595.87, 96,420,437.28 and 40,518,355.48
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Solution
The fourth proportional to 69,869,595.87, 96,420,437.28 and 40,518,355.48 is: 55,915,559.62
Step by Step Solution
- Step 1: Write the proportion equation
69,869,595.87 : 96,420,437.28 = 40,518,355.48 : x - Step 2: Convert to fraction form
69,869,595.87/96,420,437.28 = 40,518,355.48/x - Step 3: Cross multiply
69,869,595.87x = 96,420,437.28 × 40,518,355.48 - Step 4: Simplify right side
69,869,595.87x = 3,906,797,553,248,084 - Step 5: Solve for x
x = 3,906,797,553,248,084/69,869,595.87 - Step 6: Final answer
x = 55,915,559.62
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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.