Finding the Fourth Proportional to 124,204,202.34, 171,402,970.71 and 68,451,633.28
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Solution
The fourth proportional to 124,204,202.34, 171,402,970.71 and 68,451,633.28 is: 94,463,899.56
Step by Step Solution
- Step 1: Write the proportion equation
124,204,202.34 : 171,402,970.71 = 68,451,633.28 : x - Step 2: Convert to fraction form
124,204,202.34/171,402,970.71 = 68,451,633.28/x - Step 3: Cross multiply
124,204,202.34x = 171,402,970.71 × 68,451,633.28 - Step 4: Simplify right side
124,204,202.34x = 11,732,813,294,143,502 - Step 5: Solve for x
x = 11,732,813,294,143,502/124,204,202.34 - Step 6: Final answer
x = 94,463,899.56
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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.