Finding the Fourth Proportional to 249,580,472.97, 344,410,705.72 and 136,549,410.26
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Solution
The fourth proportional to 249,580,472.97, 344,410,705.72 and 136,549,410.26 is: 188,432,525.15
Step by Step Solution
- Step 1: Write the proportion equation
249,580,472.97 : 344,410,705.72 = 136,549,410.26 : x - Step 2: Convert to fraction form
249,580,472.97/344,410,705.72 = 136,549,410.26/x - Step 3: Cross multiply
249,580,472.97x = 344,410,705.72 × 136,549,410.26 - Step 4: Simplify right side
249,580,472.97x = 47,029,078,751,745,040 - Step 5: Solve for x
x = 47,029,078,751,745,040/249,580,472.97 - Step 6: Final answer
x = 188,432,525.15
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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.