Finding the Fourth Proportional to 73,353,721.80, 110,030,582.70 and 39,341,497.80
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Solution
The fourth proportional to 73,353,721.80, 110,030,582.70 and 39,341,497.80 is: 59,012,246.70
Step by Step Solution
- Step 1: Write the proportion equation
73,353,721.80 : 110,030,582.70 = 39,341,497.80 : x - Step 2: Convert to fraction form
73,353,721.80/110,030,582.70 = 39,341,497.80/x - Step 3: Cross multiply
73,353,721.80x = 110,030,582.70 × 39,341,497.80 - Step 4: Simplify right side
73,353,721.80x = 4,328,767,927,224,768 - Step 5: Solve for x
x = 4,328,767,927,224,768/73,353,721.80 - Step 6: Final answer
x = 59,012,246.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.