Finding the Fourth Proportional to 117,249,746.76, 175,876,116.84 and 30,987,408.24
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Solution
The fourth proportional to 117,249,746.76, 175,876,116.84 and 30,987,408.24 is: 46,481,507.92
Step by Step Solution
- Step 1: Write the proportion equation
117,249,746.76 : 175,876,116.84 = 30,987,408.24 : x - Step 2: Convert to fraction form
117,249,746.76/175,876,116.84 = 30,987,408.24/x - Step 3: Cross multiply
117,249,746.76x = 175,876,116.84 × 30,987,408.24 - Step 4: Simplify right side
117,249,746.76x = 5,449,945,032,187,019 - Step 5: Solve for x
x = 5,449,945,032,187,019/117,249,746.76 - Step 6: Final answer
x = 46,481,507.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.