Finding the Fourth Proportional to 157,552,703.80, 236,572,358.10 and 85,889,087.80
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Solution
The fourth proportional to 157,552,703.80, 236,572,358.10 and 85,889,087.80 is: 128,966,266.82
Step by Step Solution
- Step 1: Write the proportion equation
157,552,703.80 : 236,572,358.10 = 85,889,087.80 : x - Step 2: Convert to fraction form
157,552,703.80/236,572,358.10 = 85,889,087.80/x - Step 3: Cross multiply
157,552,703.80x = 236,572,358.10 × 85,889,087.80 - Step 4: Simplify right side
157,552,703.80x = 20,318,984,035,903,940 - Step 5: Solve for x
x = 20,318,984,035,903,940/157,552,703.80 - Step 6: Final answer
x = 128,966,266.82
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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.