Finding the Fourth Proportional to 368,374,134.70, 552,640,918.20 and 109,615,511.80
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Solution
The fourth proportional to 368,374,134.70, 552,640,918.20 and 109,615,511.80 is: 164,446,988.49
Step by Step Solution
- Step 1: Write the proportion equation
368,374,134.70 : 552,640,918.20 = 109,615,511.80 : x - Step 2: Convert to fraction form
368,374,134.70/552,640,918.20 = 109,615,511.80/x - Step 3: Cross multiply
368,374,134.70x = 552,640,918.20 × 109,615,511.80 - Step 4: Simplify right side
368,374,134.70x = 60,578,017,090,114,936 - Step 5: Solve for x
x = 60,578,017,090,114,936/368,374,134.70 - Step 6: Final answer
x = 164,446,988.49
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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.