Finding the Fourth Proportional to 122,809,598.60, 184,214,397.90 and 112,765,363.70
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Solution
The fourth proportional to 122,809,598.60, 184,214,397.90 and 112,765,363.70 is: 169,148,045.55
Step by Step Solution
- Step 1: Write the proportion equation
122,809,598.60 : 184,214,397.90 = 112,765,363.70 : x - Step 2: Convert to fraction form
122,809,598.60/184,214,397.90 = 112,765,363.70/x - Step 3: Cross multiply
122,809,598.60x = 184,214,397.90 × 112,765,363.70 - Step 4: Simplify right side
122,809,598.60x = 20,773,003,577,970,016 - Step 5: Solve for x
x = 20,773,003,577,970,016/122,809,598.60 - Step 6: Final answer
x = 169,148,045.55
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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.