Finding the Fourth Proportional to 84,746,209.40, 127,120,495.12 and 24,161,935.40
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Solution
The fourth proportional to 84,746,209.40, 127,120,495.12 and 24,161,935.40 is: 36,243,239.82
Step by Step Solution
- Step 1: Write the proportion equation
84,746,209.40 : 127,120,495.12 = 24,161,935.40 : x - Step 2: Convert to fraction form
84,746,209.40/127,120,495.12 = 24,161,935.40/x - Step 3: Cross multiply
84,746,209.40x = 127,120,495.12 × 24,161,935.40 - Step 4: Simplify right side
84,746,209.40x = 3,071,477,191,105,455 - Step 5: Solve for x
x = 3,071,477,191,105,455/84,746,209.40 - Step 6: Final answer
x = 36,243,239.82
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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.