Finding the Fourth Proportional to 83,747,038.05, 125,620,602.64 and 26,243,809.65
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Solution
The fourth proportional to 83,747,038.05, 125,620,602.64 and 26,243,809.65 is: 39,365,728.75
Step by Step Solution
- Step 1: Write the proportion equation
83,747,038.05 : 125,620,602.64 = 26,243,809.65 : x - Step 2: Convert to fraction form
83,747,038.05/125,620,602.64 = 26,243,809.65/x - Step 3: Cross multiply
83,747,038.05x = 125,620,602.64 × 26,243,809.65 - Step 4: Simplify right side
83,747,038.05x = 3,296,763,183,736,838 - Step 5: Solve for x
x = 3,296,763,183,736,838/83,747,038.05 - Step 6: Final answer
x = 39,365,728.75
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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.