Finding the Fourth Proportional to 152,596,918.14, 210,585,246.57 and 82,983,811.74
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Solution
The fourth proportional to 152,596,918.14, 210,585,246.57 and 82,983,811.74 is: 114,518,475.67
Step by Step Solution
- Step 1: Write the proportion equation
152,596,918.14 : 210,585,246.57 = 82,983,811.74 : x - Step 2: Convert to fraction form
152,596,918.14/210,585,246.57 = 82,983,811.74/x - Step 3: Cross multiply
152,596,918.14x = 210,585,246.57 × 82,983,811.74 - Step 4: Simplify right side
152,596,918.14x = 17,475,166,456,586,360 - Step 5: Solve for x
x = 17,475,166,456,586,360/152,596,918.14 - Step 6: Final answer
x = 114,518,475.67
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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.