Finding the Fourth Proportional to 119,127,620.21, 178,142,874.26 and 113,316,312.87
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Solution
The fourth proportional to 119,127,620.21, 178,142,874.26 and 113,316,312.87 is: 169,452,673.02
Step by Step Solution
- Step 1: Write the proportion equation
119,127,620.21 : 178,142,874.26 = 113,316,312.87 : x - Step 2: Convert to fraction form
119,127,620.21/178,142,874.26 = 113,316,312.87/x - Step 3: Cross multiply
119,127,620.21x = 178,142,874.26 × 113,316,312.87 - Step 4: Simplify right side
119,127,620.21x = 20,186,493,674,640,648 - Step 5: Solve for x
x = 20,186,493,674,640,648/119,127,620.21 - Step 6: Final answer
x = 169,452,673.02
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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.