Finding the Fourth Proportional to 70,781,241.06, 97,681,143.15 and 39,419,289.87
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Solution
The fourth proportional to 70,781,241.06, 97,681,143.15 and 39,419,289.87 is: 54,400,307.75
Step by Step Solution
- Step 1: Write the proportion equation
70,781,241.06 : 97,681,143.15 = 39,419,289.87 : x - Step 2: Convert to fraction form
70,781,241.06/97,681,143.15 = 39,419,289.87/x - Step 3: Cross multiply
70,781,241.06x = 97,681,143.15 × 39,419,289.87 - Step 4: Simplify right side
70,781,241.06x = 3,850,521,296,662,815 - Step 5: Solve for x
x = 3,850,521,296,662,815/70,781,241.06 - Step 6: Final answer
x = 54,400,307.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.