Finding the Fourth Proportional to 249,987,077.08, 344,984,925.66 and 138,479,625.88
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Solution
The fourth proportional to 249,987,077.08, 344,984,925.66 and 138,479,625.88 is: 191,103,412.21
Step by Step Solution
- Step 1: Write the proportion equation
249,987,077.08 : 344,984,925.66 = 138,479,625.88 : x - Step 2: Convert to fraction form
249,987,077.08/344,984,925.66 = 138,479,625.88/x - Step 3: Cross multiply
249,987,077.08x = 344,984,925.66 × 138,479,625.88 - Step 4: Simplify right side
249,987,077.08x = 47,773,383,439,636,416 - Step 5: Solve for x
x = 47,773,383,439,636,416/249,987,077.08 - Step 6: Final answer
x = 191,103,412.21
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.