Finding the Fourth Proportional to 172,972,086.24, 238,701,494.40 and 94,655,635.68
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Solution
The fourth proportional to 172,972,086.24, 238,701,494.40 and 94,655,635.68 is: 130,624,785.66
Step by Step Solution
- Step 1: Write the proportion equation
172,972,086.24 : 238,701,494.40 = 94,655,635.68 : x - Step 2: Convert to fraction form
172,972,086.24/238,701,494.40 = 94,655,635.68/x - Step 3: Cross multiply
172,972,086.24x = 238,701,494.40 × 94,655,635.68 - Step 4: Simplify right side
172,972,086.24x = 22,594,441,690,197,964 - Step 5: Solve for x
x = 22,594,441,690,197,964/172,972,086.24 - Step 6: Final answer
x = 130,624,785.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.