Finding the Fourth Proportional to 116,742,288.68, 161,104,683.08 and 63,819,635.83
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Solution
The fourth proportional to 116,742,288.68, 161,104,683.08 and 63,819,635.83 is: 88,071,274.96
Step by Step Solution
- Step 1: Write the proportion equation
116,742,288.68 : 161,104,683.08 = 63,819,635.83 : x - Step 2: Convert to fraction form
116,742,288.68/161,104,683.08 = 63,819,635.83/x - Step 3: Cross multiply
116,742,288.68x = 161,104,683.08 × 63,819,635.83 - Step 4: Simplify right side
116,742,288.68x = 10,281,642,205,290,852 - Step 5: Solve for x
x = 10,281,642,205,290,852/116,742,288.68 - Step 6: Final answer
x = 88,071,274.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.