Finding the Fourth Proportional to 77,663,149.04, 116,464,448.60 and 29,114,512.84
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Solution
The fourth proportional to 77,663,149.04, 116,464,448.60 and 29,114,512.84 is: 43,660,419.72
Step by Step Solution
- Step 1: Write the proportion equation
77,663,149.04 : 116,464,448.60 = 29,114,512.84 : x - Step 2: Convert to fraction form
77,663,149.04/116,464,448.60 = 29,114,512.84/x - Step 3: Cross multiply
77,663,149.04x = 116,464,448.60 × 29,114,512.84 - Step 4: Simplify right side
77,663,149.04x = 3,390,805,684,168,220 - Step 5: Solve for x
x = 3,390,805,684,168,220/77,663,149.04 - Step 6: Final answer
x = 43,660,419.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.