Finding the Fourth Proportional to 159,831,212.03, 220,567,072.97 and 86,492,354.03
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Solution
The fourth proportional to 159,831,212.03, 220,567,072.97 and 86,492,354.03 is: 119,359,448.76
Step by Step Solution
- Step 1: Write the proportion equation
159,831,212.03 : 220,567,072.97 = 86,492,354.03 : x - Step 2: Convert to fraction form
159,831,212.03/220,567,072.97 = 86,492,354.03/x - Step 3: Cross multiply
159,831,212.03x = 220,567,072.97 × 86,492,354.03 - Step 4: Simplify right side
159,831,212.03x = 19,077,365,362,249,624 - Step 5: Solve for x
x = 19,077,365,362,249,624/159,831,212.03 - Step 6: Final answer
x = 119,359,448.76
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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.