Finding the Fourth Proportional to 63,570,078.44, 87,721,338.47 and 38,461,542.65
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Solution
The fourth proportional to 63,570,078.44, 87,721,338.47 and 38,461,542.65 is: 53,073,680.00
Step by Step Solution
- Step 1: Write the proportion equation
63,570,078.44 : 87,721,338.47 = 38,461,542.65 : x - Step 2: Convert to fraction form
63,570,078.44/87,721,338.47 = 38,461,542.65/x - Step 3: Cross multiply
63,570,078.44x = 87,721,338.47 × 38,461,542.65 - Step 4: Simplify right side
63,570,078.44x = 3,373,898,000,878,990.50 - Step 5: Solve for x
x = 3,373,898,000,878,990.50/63,570,078.44 - Step 6: Final answer
x = 53,073,680.00
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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.