Finding the Fourth Proportional to 115,155,611,206.24, 172,756,975,582.75 and 39,598,949,259.30
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Solution
The fourth proportional to 115,155,611,206.24, 172,756,975,582.75 and 39,598,949,259.30 is: 59,406,525,123.99
Step by Step Solution
- Step 1: Write the proportion equation
115,155,611,206.24 : 172,756,975,582.75 = 39,598,949,259.30 : x - Step 2: Convert to fraction form
115,155,611,206.24/172,756,975,582.75 = 39,598,949,259.30/x - Step 3: Cross multiply
115,155,611,206.24x = 172,756,975,582.75 × 39,598,949,259.30 - Step 4: Simplify right side
115,155,611,206.24x = 6,840,994,710,291,447,021,568 - Step 5: Solve for x
x = 6,840,994,710,291,447,021,568/115,155,611,206.24 - Step 6: Final answer
x = 59,406,525,123.99
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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.