Finding the Fourth Proportional to 93,346,542.09, 128,814,851.91 and 51,529,709.55
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Solution
The fourth proportional to 93,346,542.09, 128,814,851.91 and 51,529,709.55 is: 71,109,135.44
Step by Step Solution
- Step 1: Write the proportion equation
93,346,542.09 : 128,814,851.91 = 51,529,709.55 : x - Step 2: Convert to fraction form
93,346,542.09/128,814,851.91 = 51,529,709.55/x - Step 3: Cross multiply
93,346,542.09x = 128,814,851.91 × 51,529,709.55 - Step 4: Simplify right side
93,346,542.09x = 6,637,791,904,648,562 - Step 5: Solve for x
x = 6,637,791,904,648,562/93,346,542.09 - Step 6: Final answer
x = 71,109,135.44
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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.