Finding the Fourth Proportional to 70,971,083.97, 106,455,769.36 and 18,444,102.62
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Solution
The fourth proportional to 70,971,083.97, 106,455,769.36 and 18,444,102.62 is: 27,665,931.32
Step by Step Solution
- Step 1: Write the proportion equation
70,971,083.97 : 106,455,769.36 = 18,444,102.62 : x - Step 2: Convert to fraction form
70,971,083.97/106,455,769.36 = 18,444,102.62/x - Step 3: Cross multiply
70,971,083.97x = 106,455,769.36 × 18,444,102.62 - Step 4: Simplify right side
70,971,083.97x = 1,963,481,134,587,316.50 - Step 5: Solve for x
x = 1,963,481,134,587,316.50/70,971,083.97 - Step 6: Final answer
x = 27,665,931.32
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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.