Finding the Fourth Proportional to 52,488,467.84, 72,434,130.72 and 29,283,598.40
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Solution
The fourth proportional to 52,488,467.84, 72,434,130.72 and 29,283,598.40 is: 40,411,390.95
Step by Step Solution
- Step 1: Write the proportion equation
52,488,467.84 : 72,434,130.72 = 29,283,598.40 : x - Step 2: Convert to fraction form
52,488,467.84/72,434,130.72 = 29,283,598.40/x - Step 3: Cross multiply
52,488,467.84x = 72,434,130.72 × 29,283,598.40 - Step 4: Simplify right side
52,488,467.84x = 2,121,131,994,457,582.75 - Step 5: Solve for x
x = 2,121,131,994,457,582.75/52,488,467.84 - Step 6: Final answer
x = 40,411,390.95
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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.