Finding the Fourth Proportional to 166,320,155.80, 249,480,233.70 and 69,243,599.80
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Solution
The fourth proportional to 166,320,155.80, 249,480,233.70 and 69,243,599.80 is: 103,865,399.70
Step by Step Solution
- Step 1: Write the proportion equation
166,320,155.80 : 249,480,233.70 = 69,243,599.80 : x - Step 2: Convert to fraction form
166,320,155.80/249,480,233.70 = 69,243,599.80/x - Step 3: Cross multiply
166,320,155.80x = 249,480,233.70 × 69,243,599.80 - Step 4: Simplify right side
166,320,155.80x = 17,274,909,460,333,272 - Step 5: Solve for x
x = 17,274,909,460,333,272/166,320,155.80 - Step 6: Final answer
x = 103,865,399.70
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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.