Finding the Fourth Proportional to 160,349,693.02, 221,283,183.28 and 87,010,835.02
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Solution
The fourth proportional to 160,349,693.02, 221,283,183.28 and 87,010,835.02 is: 120,075,281.66
Step by Step Solution
- Step 1: Write the proportion equation
160,349,693.02 : 221,283,183.28 = 87,010,835.02 : x - Step 2: Convert to fraction form
160,349,693.02/221,283,183.28 = 87,010,835.02/x - Step 3: Cross multiply
160,349,693.02x = 221,283,183.28 × 87,010,835.02 - Step 4: Simplify right side
160,349,693.02x = 19,254,034,553,076,500 - Step 5: Solve for x
x = 19,254,034,553,076,500/160,349,693.02 - Step 6: Final answer
x = 120,075,281.66
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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.