Finding the Fourth Proportional to 165,871,875.60, 248,807,813.40 and 44,703,327.60
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Solution
The fourth proportional to 165,871,875.60, 248,807,813.40 and 44,703,327.60 is: 67,054,991.40
Step by Step Solution
- Step 1: Write the proportion equation
165,871,875.60 : 248,807,813.40 = 44,703,327.60 : x - Step 2: Convert to fraction form
165,871,875.60/248,807,813.40 = 44,703,327.60/x - Step 3: Cross multiply
165,871,875.60x = 248,807,813.40 × 44,703,327.60 - Step 4: Simplify right side
165,871,875.60x = 11,122,537,191,859,870 - Step 5: Solve for x
x = 11,122,537,191,859,870/165,871,875.60 - Step 6: Final answer
x = 67,054,991.40
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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.