Finding the Fourth Proportional to 159,365,315.99, 219,918,329.87 and 88,797,280.07
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Solution
The fourth proportional to 159,365,315.99, 219,918,329.87 and 88,797,280.07 is: 122,537,011.32
Step by Step Solution
- Step 1: Write the proportion equation
159,365,315.99 : 219,918,329.87 = 88,797,280.07 : x - Step 2: Convert to fraction form
159,365,315.99/219,918,329.87 = 88,797,280.07/x - Step 3: Cross multiply
159,365,315.99x = 219,918,329.87 × 88,797,280.07 - Step 4: Simplify right side
159,365,315.99x = 19,528,149,528,449,460 - Step 5: Solve for x
x = 19,528,149,528,449,460/159,365,315.99 - Step 6: Final answer
x = 122,537,011.32
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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.