Finding the Fourth Proportional to 207,577,125.90, 286,462,412.09 and 114,763,612.46
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Solution
The fourth proportional to 207,577,125.90, 286,462,412.09 and 114,763,612.46 is: 158,377,090.45
Step by Step Solution
- Step 1: Write the proportion equation
207,577,125.90 : 286,462,412.09 = 114,763,612.46 : x - Step 2: Convert to fraction form
207,577,125.90/286,462,412.09 = 114,763,612.46/x - Step 3: Cross multiply
207,577,125.90x = 286,462,412.09 × 114,763,612.46 - Step 4: Simplify right side
207,577,125.90x = 32,875,461,243,877,812 - Step 5: Solve for x
x = 32,875,461,243,877,812/207,577,125.90 - Step 6: Final answer
x = 158,377,090.45
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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.