Finding the Fourth Proportional to 150,423,973.24, 207,508,685.40 and 98,243,552.92
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Solution
The fourth proportional to 150,423,973.24, 207,508,685.40 and 98,243,552.92 is: 135,526,206.87
Step by Step Solution
- Step 1: Write the proportion equation
150,423,973.24 : 207,508,685.40 = 98,243,552.92 : x - Step 2: Convert to fraction form
150,423,973.24/207,508,685.40 = 98,243,552.92/x - Step 3: Cross multiply
150,423,973.24x = 207,508,685.40 × 98,243,552.92 - Step 4: Simplify right side
150,423,973.24x = 20,386,390,515,454,532 - Step 5: Solve for x
x = 20,386,390,515,454,532/150,423,973.24 - Step 6: Final answer
x = 135,526,206.87
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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.