Finding the Fourth Proportional to 42,118,386.24, 58,119,765.66 and 24,237,185.88
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Solution
The fourth proportional to 42,118,386.24, 58,119,765.66 and 24,237,185.88 is: 33,445,240.65
Step by Step Solution
- Step 1: Write the proportion equation
42,118,386.24 : 58,119,765.66 = 24,237,185.88 : x - Step 2: Convert to fraction form
42,118,386.24/58,119,765.66 = 24,237,185.88/x - Step 3: Cross multiply
42,118,386.24x = 58,119,765.66 × 24,237,185.88 - Step 4: Simplify right side
42,118,386.24x = 1,408,659,563,603,460.75 - Step 5: Solve for x
x = 1,408,659,563,603,460.75/42,118,386.24 - Step 6: Final answer
x = 33,445,240.65
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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.