Finding the Fourth Proportional to 168,190,175.68, 232,048,094.16 and 93,838,681.60
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Solution
The fourth proportional to 168,190,175.68, 232,048,094.16 and 93,838,681.60 is: 129,467,057.96
Step by Step Solution
- Step 1: Write the proportion equation
168,190,175.68 : 232,048,094.16 = 93,838,681.60 : x - Step 2: Convert to fraction form
168,190,175.68/232,048,094.16 = 93,838,681.60/x - Step 3: Cross multiply
168,190,175.68x = 232,048,094.16 × 93,838,681.60 - Step 4: Simplify right side
168,190,175.68x = 21,775,087,223,767,056 - Step 5: Solve for x
x = 21,775,087,223,767,056/168,190,175.68 - Step 6: Final answer
x = 129,467,057.96
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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.