Finding the Fourth Proportional to 368,374,135.70, 552,640,919.70 and 109,615,512.80
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Solution
The fourth proportional to 368,374,135.70, 552,640,919.70 and 109,615,512.80 is: 164,446,989.99
Step by Step Solution
- Step 1: Write the proportion equation
368,374,135.70 : 552,640,919.70 = 109,615,512.80 : x - Step 2: Convert to fraction form
368,374,135.70/552,640,919.70 = 109,615,512.80/x - Step 3: Cross multiply
368,374,135.70x = 552,640,919.70 × 109,615,512.80 - Step 4: Simplify right side
368,374,135.70x = 60,578,017,807,179,128 - Step 5: Solve for x
x = 60,578,017,807,179,128/368,374,135.70 - Step 6: Final answer
x = 164,446,989.99
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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.