Finding the Fourth Proportional to 96,827,478.57, 133,621,969.80 and 55,011,616.21
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Solution
The fourth proportional to 96,827,478.57, 133,621,969.80 and 55,011,616.21 is: 75,916,058.41
Step by Step Solution
- Step 1: Write the proportion equation
96,827,478.57 : 133,621,969.80 = 55,011,616.21 : x - Step 2: Convert to fraction form
96,827,478.57/133,621,969.80 = 55,011,616.21/x - Step 3: Cross multiply
96,827,478.57x = 133,621,969.80 × 55,011,616.21 - Step 4: Simplify right side
96,827,478.57x = 7,350,760,519,173,793 - Step 5: Solve for x
x = 7,350,760,519,173,793/96,827,478.57 - Step 6: Final answer
x = 75,916,058.41
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1.5x scale
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.