Finding the Fourth Proportional to 76,898,420.70, 115,254,319.05 and 44,488,052.70
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Solution
The fourth proportional to 76,898,420.70, 115,254,319.05 and 44,488,052.70 is: 66,678,095.25
Step by Step Solution
- Step 1: Write the proportion equation
76,898,420.70 : 115,254,319.05 = 44,488,052.70 : x - Step 2: Convert to fraction form
76,898,420.70/115,254,319.05 = 44,488,052.70/x - Step 3: Cross multiply
76,898,420.70x = 115,254,319.05 × 44,488,052.70 - Step 4: Simplify right side
76,898,420.70x = 5,127,440,219,799,014 - Step 5: Solve for x
x = 5,127,440,219,799,014/76,898,420.70 - Step 6: Final answer
x = 66,678,095.25
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.