Finding the Fourth Proportional to 155,533,328.70, 233,299,993.05 and 97,838,519.10
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Solution
The fourth proportional to 155,533,328.70, 233,299,993.05 and 97,838,519.10 is: 146,757,778.65
Step by Step Solution
- Step 1: Write the proportion equation
155,533,328.70 : 233,299,993.05 = 97,838,519.10 : x - Step 2: Convert to fraction form
155,533,328.70/233,299,993.05 = 97,838,519.10/x - Step 3: Cross multiply
155,533,328.70x = 233,299,993.05 × 97,838,519.10 - Step 4: Simplify right side
155,533,328.70x = 22,825,725,826,052,292 - Step 5: Solve for x
x = 22,825,725,826,052,292/155,533,328.70 - Step 6: Final answer
x = 146,757,778.65
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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.