Finding the Fourth Proportional to 70,149,517.21, 104,484,569.49 and 67,002,058.63
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Solution
The fourth proportional to 70,149,517.21, 104,484,569.49 and 67,002,058.63 is: 99,796,570.66
Step by Step Solution
- Step 1: Write the proportion equation
70,149,517.21 : 104,484,569.49 = 67,002,058.63 : x - Step 2: Convert to fraction form
70,149,517.21/104,484,569.49 = 67,002,058.63/x - Step 3: Cross multiply
70,149,517.21x = 104,484,569.49 × 67,002,058.63 - Step 4: Simplify right side
70,149,517.21x = 7,000,681,250,899,289 - Step 5: Solve for x
x = 7,000,681,250,899,289/70,149,517.21 - Step 6: Final answer
x = 99,796,570.66
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.