Finding the Fourth Proportional to 48,588,298.74, 66,694,938.18 and 42,958,345.65
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Solution
The fourth proportional to 48,588,298.74, 66,694,938.18 and 42,958,345.65 is: 58,966,958.75
Step by Step Solution
- Step 1: Write the proportion equation
48,588,298.74 : 66,694,938.18 = 42,958,345.65 : x - Step 2: Convert to fraction form
48,588,298.74/66,694,938.18 = 42,958,345.65/x - Step 3: Cross multiply
48,588,298.74x = 66,694,938.18 × 42,958,345.65 - Step 4: Simplify right side
48,588,298.74x = 2,865,104,207,441,822 - Step 5: Solve for x
x = 2,865,104,207,441,822/48,588,298.74 - Step 6: Final answer
x = 58,966,958.75
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.