Finding the Fourth Proportional to 249,987,078.08, 344,984,927.04 and 138,479,626.88
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Solution
The fourth proportional to 249,987,078.08, 344,984,927.04 and 138,479,626.88 is: 191,103,413.59
Step by Step Solution
- Step 1: Write the proportion equation
249,987,078.08 : 344,984,927.04 = 138,479,626.88 : x - Step 2: Convert to fraction form
249,987,078.08/344,984,927.04 = 138,479,626.88/x - Step 3: Cross multiply
249,987,078.08x = 344,984,927.04 × 138,479,626.88 - Step 4: Simplify right side
249,987,078.08x = 47,773,383,975,723,224 - Step 5: Solve for x
x = 47,773,383,975,723,224/249,987,078.08 - Step 6: Final answer
x = 191,103,413.59
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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.