Finding the Fourth Proportional to 212,302,130.04, 292,986,366.30 and 119,488,649.40
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Solution
The fourth proportional to 212,302,130.04, 292,986,366.30 and 119,488,649.40 is: 164,899,641.82
Step by Step Solution
- Step 1: Write the proportion equation
212,302,130.04 : 292,986,366.30 = 119,488,649.40 : x - Step 2: Convert to fraction form
212,302,130.04/292,986,366.30 = 119,488,649.40/x - Step 3: Cross multiply
212,302,130.04x = 292,986,366.30 × 119,488,649.40 - Step 4: Simplify right side
212,302,130.04x = 35,008,545,201,800,680 - Step 5: Solve for x
x = 35,008,545,201,800,680/212,302,130.04 - Step 6: Final answer
x = 164,899,641.82
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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.