Finding the Fourth Proportional to 147,559,716.99, 203,650,363.16 and 85,680,053.73
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Solution
The fourth proportional to 147,559,716.99, 203,650,363.16 and 85,680,053.73 is: 118,248,898.91
Step by Step Solution
- Step 1: Write the proportion equation
147,559,716.99 : 203,650,363.16 = 85,680,053.73 : x - Step 2: Convert to fraction form
147,559,716.99/203,650,363.16 = 85,680,053.73/x - Step 3: Cross multiply
147,559,716.99x = 203,650,363.16 × 85,680,053.73 - Step 4: Simplify right side
147,559,716.99x = 17,448,774,057,682,814 - Step 5: Solve for x
x = 17,448,774,057,682,814/147,559,716.99 - Step 6: Final answer
x = 118,248,898.91
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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.