Finding the Fourth Proportional to 190,863,621.18, 263,395,279.71 and 106,098,699.66
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Solution
The fourth proportional to 190,863,621.18, 263,395,279.71 and 106,098,699.66 is: 146,418,141.40
Step by Step Solution
- Step 1: Write the proportion equation
190,863,621.18 : 263,395,279.71 = 106,098,699.66 : x - Step 2: Convert to fraction form
190,863,621.18/263,395,279.71 = 106,098,699.66/x - Step 3: Cross multiply
190,863,621.18x = 263,395,279.71 × 106,098,699.66 - Step 4: Simplify right side
190,863,621.18x = 27,945,896,673,812,980 - Step 5: Solve for x
x = 27,945,896,673,812,980/190,863,621.18 - Step 6: Final answer
x = 146,418,141.40
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.