Finding the Fourth Proportional to 201,420,605, 302,130,907.68 and 65,105,988.68
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Solution
The fourth proportional to 201,420,605, 302,130,907.68 and 65,105,988.68 is: 97,658,983.08
Step by Step Solution
- Step 1: Write the proportion equation
201,420,605 : 302,130,907.68 = 65,105,988.68 : x - Step 2: Convert to fraction form
201,420,605/302,130,907.68 = 65,105,988.68/x - Step 3: Cross multiply
201,420,605x = 302,130,907.68 × 65,105,988.68 - Step 4: Simplify right side
201,420,605x = 19,670,531,455,292,204 - Step 5: Solve for x
x = 19,670,531,455,292,204/201,420,605 - Step 6: Final answer
x = 97,658,983.08
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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.