Finding the Fourth Proportional to 62,849,946.60, 86,772,774.42 and 43,036,867.08
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Solution
The fourth proportional to 62,849,946.60, 86,772,774.42 and 43,036,867.08 is: 59,418,162.80
Step by Step Solution
- Step 1: Write the proportion equation
62,849,946.60 : 86,772,774.42 = 43,036,867.08 : x - Step 2: Convert to fraction form
62,849,946.60/86,772,774.42 = 43,036,867.08/x - Step 3: Cross multiply
62,849,946.60x = 86,772,774.42 × 43,036,867.08 - Step 4: Simplify right side
62,849,946.60x = 3,734,428,358,876,364 - Step 5: Solve for x
x = 3,734,428,358,876,364/62,849,946.60 - Step 6: Final answer
x = 59,418,162.80
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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.