Finding the Fourth Proportional to 146,190,040.99, 201,742,258.64 and 80,113,139.71
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Solution
The fourth proportional to 146,190,040.99, 201,742,258.64 and 80,113,139.71 is: 110,556,133.93
Step by Step Solution
- Step 1: Write the proportion equation
146,190,040.99 : 201,742,258.64 = 80,113,139.71 : x - Step 2: Convert to fraction form
146,190,040.99/201,742,258.64 = 80,113,139.71/x - Step 3: Cross multiply
146,190,040.99x = 201,742,258.64 × 80,113,139.71 - Step 4: Simplify right side
146,190,040.99x = 16,162,205,750,932,352 - Step 5: Solve for x
x = 16,162,205,750,932,352/146,190,040.99 - Step 6: Final answer
x = 110,556,133.93
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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.