Finding the Fourth Proportional to 157,465,232.10, 236,197,848.15 and 42,461,399.70
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Solution
The fourth proportional to 157,465,232.10, 236,197,848.15 and 42,461,399.70 is: 63,692,099.55
Step by Step Solution
- Step 1: Write the proportion equation
157,465,232.10 : 236,197,848.15 = 42,461,399.70 : x - Step 2: Convert to fraction form
157,465,232.10/236,197,848.15 = 42,461,399.70/x - Step 3: Cross multiply
157,465,232.10x = 236,197,848.15 × 42,461,399.70 - Step 4: Simplify right side
157,465,232.10x = 10,029,291,238,577,056 - Step 5: Solve for x
x = 10,029,291,238,577,056/157,465,232.10 - Step 6: Final answer
x = 63,692,099.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.