Finding the Fourth Proportional to 207,011,890.74, 310,484,929.04 and 68,826,004.14
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Solution
The fourth proportional to 207,011,890.74, 310,484,929.04 and 68,826,004.14 is: 103,228,065.48
Step by Step Solution
- Step 1: Write the proportion equation
207,011,890.74 : 310,484,929.04 = 68,826,004.14 : x - Step 2: Convert to fraction form
207,011,890.74/310,484,929.04 = 68,826,004.14/x - Step 3: Cross multiply
207,011,890.74x = 310,484,929.04 × 68,826,004.14 - Step 4: Simplify right side
207,011,890.74x = 21,369,437,011,514,648 - Step 5: Solve for x
x = 21,369,437,011,514,648/207,011,890.74 - Step 6: Final answer
x = 103,228,065.48
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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.