Finding the Fourth Proportional to 112,435,848.51, 155,158,556.52 and 62,201,922.99
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Solution
The fourth proportional to 112,435,848.51, 155,158,556.52 and 62,201,922.99 is: 85,837,041.40
Step by Step Solution
- Step 1: Write the proportion equation
112,435,848.51 : 155,158,556.52 = 62,201,922.99 : x - Step 2: Convert to fraction form
112,435,848.51/155,158,556.52 = 62,201,922.99/x - Step 3: Cross multiply
112,435,848.51x = 155,158,556.52 × 62,201,922.99 - Step 4: Simplify right side
112,435,848.51x = 9,651,160,583,896,604 - Step 5: Solve for x
x = 9,651,160,583,896,604/112,435,848.51 - Step 6: Final answer
x = 85,837,041.40
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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.