Finding the Fourth Proportional to 307,824,506.49, 424,798,228.74 and 166,695,970.44
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Solution
The fourth proportional to 307,824,506.49, 424,798,228.74 and 166,695,970.44 is: 230,040,661.12
Step by Step Solution
- Step 1: Write the proportion equation
307,824,506.49 : 424,798,228.74 = 166,695,970.44 : x - Step 2: Convert to fraction form
307,824,506.49/424,798,228.74 = 166,695,970.44/x - Step 3: Cross multiply
307,824,506.49x = 424,798,228.74 × 166,695,970.44 - Step 4: Simplify right side
307,824,506.49x = 70,812,152,981,007,400 - Step 5: Solve for x
x = 70,812,152,981,007,400/307,824,506.49 - Step 6: Final answer
x = 230,040,661.12
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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.