Finding the Fourth Proportional to 249,827,257.93, 344,784,743.63 and 138,318,099.03
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Solution
The fourth proportional to 249,827,257.93, 344,784,743.63 and 138,318,099.03 is: 190,891,781.42
Step by Step Solution
- Step 1: Write the proportion equation
249,827,257.93 : 344,784,743.63 = 138,318,099.03 : x - Step 2: Convert to fraction form
249,827,257.93/344,784,743.63 = 138,318,099.03/x - Step 3: Cross multiply
249,827,257.93x = 344,784,743.63 × 138,318,099.03 - Step 4: Simplify right side
249,827,257.93x = 47,689,970,313,447,504 - Step 5: Solve for x
x = 47,689,970,313,447,504/249,827,257.93 - Step 6: Final answer
x = 190,891,781.42
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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.