Finding the Fourth Proportional to 112,354,497.84, 168,531,746.64 and 31,575,465.84
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Solution
The fourth proportional to 112,354,497.84, 168,531,746.64 and 31,575,465.84 is: 47,363,198.73
Step by Step Solution
- Step 1: Write the proportion equation
112,354,497.84 : 168,531,746.64 = 31,575,465.84 : x - Step 2: Convert to fraction form
112,354,497.84/168,531,746.64 = 31,575,465.84/x - Step 3: Cross multiply
112,354,497.84x = 168,531,746.64 × 31,575,465.84 - Step 4: Simplify right side
112,354,497.84x = 5,321,468,408,986,854 - Step 5: Solve for x
x = 5,321,468,408,986,854/112,354,497.84 - Step 6: Final answer
x = 47,363,198.73
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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.