Finding the Fourth Proportional to 125,156,620.20, 187,814,646.45 and 73,341,122.70
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Solution
The fourth proportional to 125,156,620.20, 187,814,646.45 and 73,341,122.70 is: 110,058,397.30
Step by Step Solution
- Step 1: Write the proportion equation
125,156,620.20 : 187,814,646.45 = 73,341,122.70 : x - Step 2: Convert to fraction form
125,156,620.20/187,814,646.45 = 73,341,122.70/x - Step 3: Cross multiply
125,156,620.20x = 187,814,646.45 × 73,341,122.70 - Step 4: Simplify right side
125,156,620.20x = 13,774,537,030,146,570 - Step 5: Solve for x
x = 13,774,537,030,146,570/125,156,620.20 - Step 6: Final answer
x = 110,058,397.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.