Finding the Fourth Proportional to 150,228,398.17, 207,316,406.88 and 83,248,475.24
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Solution
The fourth proportional to 150,228,398.17, 207,316,406.88 and 83,248,475.24 is: 114,883,570.45
Step by Step Solution
- Step 1: Write the proportion equation
150,228,398.17 : 207,316,406.88 = 83,248,475.24 : x - Step 2: Convert to fraction form
150,228,398.17/207,316,406.88 = 83,248,475.24/x - Step 3: Cross multiply
150,228,398.17x = 207,316,406.88 × 83,248,475.24 - Step 4: Simplify right side
150,228,398.17x = 17,258,774,764,995,444 - Step 5: Solve for x
x = 17,258,774,764,995,444/150,228,398.17 - Step 6: Final answer
x = 114,883,570.45
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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.