Finding the Fourth Proportional to 165,117,683.70, 247,726,291.95 and 88,477,427.70
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Solution
The fourth proportional to 165,117,683.70, 247,726,291.95 and 88,477,427.70 is: 132,742,808.61
Step by Step Solution
- Step 1: Write the proportion equation
165,117,683.70 : 247,726,291.95 = 88,477,427.70 : x - Step 2: Convert to fraction form
165,117,683.70/247,726,291.95 = 88,477,427.70/x - Step 3: Cross multiply
165,117,683.70x = 247,726,291.95 × 88,477,427.70 - Step 4: Simplify right side
165,117,683.70x = 21,918,185,085,395,216 - Step 5: Solve for x
x = 21,918,185,085,395,216/165,117,683.70 - Step 6: Final answer
x = 132,742,808.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.