Finding the Fourth Proportional to 114,340,923.84, 157,790,131.37 and 62,130,118.80
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Solution
The fourth proportional to 114,340,923.84, 157,790,131.37 and 62,130,118.80 is: 85,739,377.27
Step by Step Solution
- Step 1: Write the proportion equation
114,340,923.84 : 157,790,131.37 = 62,130,118.80 : x - Step 2: Convert to fraction form
114,340,923.84/157,790,131.37 = 62,130,118.80/x - Step 3: Cross multiply
114,340,923.84x = 157,790,131.37 × 62,130,118.80 - Step 4: Simplify right side
114,340,923.84x = 9,803,519,606,386,106 - Step 5: Solve for x
x = 9,803,519,606,386,106/114,340,923.84 - Step 6: Final answer
x = 85,739,377.27
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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.