Finding the Fourth Proportional to 42,122,599.49, 58,129,307.88 and 23,538,439.92
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Solution
The fourth proportional to 42,122,599.49, 58,129,307.88 and 23,538,439.92 is: 32,483,114.47
Step by Step Solution
- Step 1: Write the proportion equation
42,122,599.49 : 58,129,307.88 = 23,538,439.92 : x - Step 2: Convert to fraction form
42,122,599.49/58,129,307.88 = 23,538,439.92/x - Step 3: Cross multiply
42,122,599.49x = 58,129,307.88 × 23,538,439.92 - Step 4: Simplify right side
42,122,599.49x = 1,368,273,221,254,278.25 - Step 5: Solve for x
x = 1,368,273,221,254,278.25/42,122,599.49 - Step 6: Final answer
x = 32,483,114.47
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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.