Finding the Fourth Proportional to 70,902,028.85, 106,353,043.28 and 60,698,361.65
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Solution
The fourth proportional to 70,902,028.85, 106,353,043.28 and 60,698,361.65 is: 91,047,542.48
Step by Step Solution
- Step 1: Write the proportion equation
70,902,028.85 : 106,353,043.28 = 60,698,361.65 : x - Step 2: Convert to fraction form
70,902,028.85/106,353,043.28 = 60,698,361.65/x - Step 3: Cross multiply
70,902,028.85x = 106,353,043.28 × 60,698,361.65 - Step 4: Simplify right side
70,902,028.85x = 6,455,455,483,284,051 - Step 5: Solve for x
x = 6,455,455,483,284,051/70,902,028.85 - Step 6: Final answer
x = 91,047,542.48
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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.