Finding the Fourth Proportional to 124,417,090.40, 186,625,635.60 and 73,272,783.20
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Solution
The fourth proportional to 124,417,090.40, 186,625,635.60 and 73,272,783.20 is: 109,909,174.80
Step by Step Solution
- Step 1: Write the proportion equation
124,417,090.40 : 186,625,635.60 = 73,272,783.20 : x - Step 2: Convert to fraction form
124,417,090.40/186,625,635.60 = 73,272,783.20/x - Step 3: Cross multiply
124,417,090.40x = 186,625,635.60 × 73,272,783.20 - Step 4: Simplify right side
124,417,090.40x = 13,674,579,736,881,002 - Step 5: Solve for x
x = 13,674,579,736,881,002/124,417,090.40 - Step 6: Final answer
x = 109,909,174.80
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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.