Finding the Fourth Proportional to 102,539,573.70, 153,880,219.35 and 73,810,266.90
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Solution
The fourth proportional to 102,539,573.70, 153,880,219.35 and 73,810,266.90 is: 110,766,406.09
Step by Step Solution
- Step 1: Write the proportion equation
102,539,573.70 : 153,880,219.35 = 73,810,266.90 : x - Step 2: Convert to fraction form
102,539,573.70/153,880,219.35 = 73,810,266.90/x - Step 3: Cross multiply
102,539,573.70x = 153,880,219.35 × 73,810,266.90 - Step 4: Simplify right side
102,539,573.70x = 11,357,940,060,854,044 - Step 5: Solve for x
x = 11,357,940,060,854,044/102,539,573.70 - Step 6: Final answer
x = 110,766,406.09
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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.