Finding the Fourth Proportional to 135,341,930.44, 186,767,031.15 and 76,603,334.09
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Solution
The fourth proportional to 135,341,930.44, 186,767,031.15 and 76,603,334.09 is: 105,709,865.65
Step by Step Solution
- Step 1: Write the proportion equation
135,341,930.44 : 186,767,031.15 = 76,603,334.09 : x - Step 2: Convert to fraction form
135,341,930.44/186,767,031.15 = 76,603,334.09/x - Step 3: Cross multiply
135,341,930.44x = 186,767,031.15 × 76,603,334.09 - Step 4: Simplify right side
135,341,930.44x = 14,306,977,283,247,050 - Step 5: Solve for x
x = 14,306,977,283,247,050/135,341,930.44 - Step 6: Final answer
x = 105,709,865.65
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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.