Finding the Fourth Proportional to 160,349,696.04, 221,283,187.42 and 87,010,838.04
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Solution
The fourth proportional to 160,349,696.04, 221,283,187.42 and 87,010,838.04 is: 120,075,285.81
Step by Step Solution
- Step 1: Write the proportion equation
160,349,696.04 : 221,283,187.42 = 87,010,838.04 : x - Step 2: Convert to fraction form
160,349,696.04/221,283,187.42 = 87,010,838.04/x - Step 3: Cross multiply
160,349,696.04x = 221,283,187.42 × 87,010,838.04 - Step 4: Simplify right side
160,349,696.04x = 19,254,035,581,576,584 - Step 5: Solve for x
x = 19,254,035,581,576,584/160,349,696.04 - Step 6: Final answer
x = 120,075,285.81
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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.