Finding the Fourth Proportional to 125,156,621.70, 187,814,648.70 and 73,341,124.20
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Solution
The fourth proportional to 125,156,621.70, 187,814,648.70 and 73,341,124.20 is: 110,058,399.55
Step by Step Solution
- Step 1: Write the proportion equation
125,156,621.70 : 187,814,648.70 = 73,341,124.20 : x - Step 2: Convert to fraction form
125,156,621.70/187,814,648.70 = 73,341,124.20/x - Step 3: Cross multiply
125,156,621.70x = 187,814,648.70 × 73,341,124.20 - Step 4: Simplify right side
125,156,621.70x = 13,774,537,476,886,068 - Step 5: Solve for x
x = 13,774,537,476,886,068/125,156,621.70 - Step 6: Final answer
x = 110,058,399.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.