Finding the Fourth Proportional to 75,267,293.74, 103,905,360.45 and 50,478,412.84
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Solution
The fourth proportional to 75,267,293.74, 103,905,360.45 and 50,478,412.84 is: 69,684,685.34
Step by Step Solution
- Step 1: Write the proportion equation
75,267,293.74 : 103,905,360.45 = 50,478,412.84 : x - Step 2: Convert to fraction form
75,267,293.74/103,905,360.45 = 50,478,412.84/x - Step 3: Cross multiply
75,267,293.74x = 103,905,360.45 × 50,478,412.84 - Step 4: Simplify right side
75,267,293.74x = 5,244,977,680,824,345 - Step 5: Solve for x
x = 5,244,977,680,824,345/75,267,293.74 - Step 6: Final answer
x = 69,684,685.34
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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.