Finding the Fourth Proportional to 172,615,079.13, 238,212,320.73 and 94,303,704.84
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Solution
The fourth proportional to 172,615,079.13, 238,212,320.73 and 94,303,704.84 is: 130,141,031.11
Step by Step Solution
- Step 1: Write the proportion equation
172,615,079.13 : 238,212,320.73 = 94,303,704.84 : x - Step 2: Convert to fraction form
172,615,079.13/238,212,320.73 = 94,303,704.84/x - Step 3: Cross multiply
172,615,079.13x = 238,212,320.73 × 94,303,704.84 - Step 4: Simplify right side
172,615,079.13x = 22,464,304,383,373,332 - Step 5: Solve for x
x = 22,464,304,383,373,332/172,615,079.13 - Step 6: Final answer
x = 130,141,031.11
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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.