Finding the Fourth Proportional to 71,382,595.75, 98,508,572.63 and 38,787,547.75
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Solution
The fourth proportional to 71,382,595.75, 98,508,572.63 and 38,787,547.75 is: 53,527,136.76
Step by Step Solution
- Step 1: Write the proportion equation
71,382,595.75 : 98,508,572.63 = 38,787,547.75 : x - Step 2: Convert to fraction form
71,382,595.75/98,508,572.63 = 38,787,547.75/x - Step 3: Cross multiply
71,382,595.75x = 98,508,572.63 × 38,787,547.75 - Step 4: Simplify right side
71,382,595.75x = 3,820,905,964,670,468 - Step 5: Solve for x
x = 3,820,905,964,670,468/71,382,595.75 - Step 6: Final answer
x = 53,527,136.76
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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.