Finding the Fourth Proportional to 68,035,550.56, 93,899,830.24 and 40,549,421.92
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Solution
The fourth proportional to 68,035,550.56, 93,899,830.24 and 40,549,421.92 is: 55,964,621.49
Step by Step Solution
- Step 1: Write the proportion equation
68,035,550.56 : 93,899,830.24 = 40,549,421.92 : x - Step 2: Convert to fraction form
68,035,550.56/93,899,830.24 = 40,549,421.92/x - Step 3: Cross multiply
68,035,550.56x = 93,899,830.24 × 40,549,421.92 - Step 4: Simplify right side
68,035,550.56x = 3,807,583,834,618,135 - Step 5: Solve for x
x = 3,807,583,834,618,135/68,035,550.56 - Step 6: Final answer
x = 55,964,621.49
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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.