Finding the Fourth Proportional to 150,366,934.70, 207,549,616.95 and 90,818,772.14
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Solution
The fourth proportional to 150,366,934.70, 207,549,616.95 and 90,818,772.14 is: 125,356,025.96
Step by Step Solution
- Step 1: Write the proportion equation
150,366,934.70 : 207,549,616.95 = 90,818,772.14 : x - Step 2: Convert to fraction form
150,366,934.70/207,549,616.95 = 90,818,772.14/x - Step 3: Cross multiply
150,366,934.70x = 207,549,616.95 × 90,818,772.14 - Step 4: Simplify right side
150,366,934.70x = 18,849,401,369,526,332 - Step 5: Solve for x
x = 18,849,401,369,526,332/150,366,934.70 - Step 6: Final answer
x = 125,356,025.96
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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.