Finding the Fourth Proportional to 150,473,239.98, 207,655,346.43 and 84,408,382.86
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Solution
The fourth proportional to 150,473,239.98, 207,655,346.43 and 84,408,382.86 is: 116,484,844.66
Step by Step Solution
- Step 1: Write the proportion equation
150,473,239.98 : 207,655,346.43 = 84,408,382.86 : x - Step 2: Convert to fraction form
150,473,239.98/207,655,346.43 = 84,408,382.86/x - Step 3: Cross multiply
150,473,239.98x = 207,655,346.43 × 84,408,382.86 - Step 4: Simplify right side
150,473,239.98x = 17,527,851,984,389,374 - Step 5: Solve for x
x = 17,527,851,984,389,374/150,473,239.98 - Step 6: Final answer
x = 116,484,844.66
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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.