Finding the Fourth Proportional to 127,725,113.36, 191,708,794.92 and 79,055,747.12
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Solution
The fourth proportional to 127,725,113.36, 191,708,794.92 and 79,055,747.12 is: 118,658,591.20
Step by Step Solution
- Step 1: Write the proportion equation
127,725,113.36 : 191,708,794.92 = 79,055,747.12 : x - Step 2: Convert to fraction form
127,725,113.36/191,708,794.92 = 79,055,747.12/x - Step 3: Cross multiply
127,725,113.36x = 191,708,794.92 × 79,055,747.12 - Step 4: Simplify right side
127,725,113.36x = 15,155,682,011,875,460 - Step 5: Solve for x
x = 15,155,682,011,875,460/127,725,113.36 - Step 6: Final answer
x = 118,658,591.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.