Finding the Fourth Proportional to 249,531,148.14, 344,329,875.37 and 138,019,588.91
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Solution
The fourth proportional to 249,531,148.14, 344,329,875.37 and 138,019,588.91 is: 190,454,250.71
Step by Step Solution
- Step 1: Write the proportion equation
249,531,148.14 : 344,329,875.37 = 138,019,588.91 : x - Step 2: Convert to fraction form
249,531,148.14/344,329,875.37 = 138,019,588.91/x - Step 3: Cross multiply
249,531,148.14x = 344,329,875.37 × 138,019,588.91 - Step 4: Simplify right side
249,531,148.14x = 47,524,267,847,998,936 - Step 5: Solve for x
x = 47,524,267,847,998,936/249,531,148.14 - Step 6: Final answer
x = 190,454,250.71
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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.