Finding the Fourth Proportional to 83,349,399.84, 115,022,171.70 and 46,679,970.84
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Solution
The fourth proportional to 83,349,399.84, 115,022,171.70 and 46,679,970.84 is: 64,418,359.71
Step by Step Solution
- Step 1: Write the proportion equation
83,349,399.84 : 115,022,171.70 = 46,679,970.84 : x - Step 2: Convert to fraction form
83,349,399.84/115,022,171.70 = 46,679,970.84/x - Step 3: Cross multiply
83,349,399.84x = 115,022,171.70 × 46,679,970.84 - Step 4: Simplify right side
83,349,399.84x = 5,369,231,620,909,474 - Step 5: Solve for x
x = 5,369,231,620,909,474/83,349,399.84 - Step 6: Final answer
x = 64,418,359.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.