Finding the Fourth Proportional to 153,232,935.69, 211,465,917.32 and 83,622,800.55
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Solution
The fourth proportional to 153,232,935.69, 211,465,917.32 and 83,622,800.55 is: 115,401,901.99
Step by Step Solution
- Step 1: Write the proportion equation
153,232,935.69 : 211,465,917.32 = 83,622,800.55 : x - Step 2: Convert to fraction form
153,232,935.69/211,465,917.32 = 83,622,800.55/x - Step 3: Cross multiply
153,232,935.69x = 211,465,917.32 × 83,622,800.55 - Step 4: Simplify right side
153,232,935.69x = 17,683,372,226,755,036 - Step 5: Solve for x
x = 17,683,372,226,755,036/153,232,935.69 - Step 6: Final answer
x = 115,401,901.99
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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.