Finding the Fourth Proportional to 75,314,593.93, 103,935,674.46 and 42,277,225.18
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Solution
The fourth proportional to 75,314,593.93, 103,935,674.46 and 42,277,225.18 is: 58,343,432.32
Step by Step Solution
- Step 1: Write the proportion equation
75,314,593.93 : 103,935,674.46 = 42,277,225.18 : x - Step 2: Convert to fraction form
75,314,593.93/103,935,674.46 = 42,277,225.18/x - Step 3: Cross multiply
75,314,593.93x = 103,935,674.46 × 42,277,225.18 - Step 4: Simplify right side
75,314,593.93x = 4,394,111,913,380,594.50 - Step 5: Solve for x
x = 4,394,111,913,380,594.50/75,314,593.93 - Step 6: Final answer
x = 58,343,432.32
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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.