Finding the Fourth Proportional to 130,772,154.37, 180,478,332.97 and 97,675,005.34
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Solution
The fourth proportional to 130,772,154.37, 180,478,332.97 and 97,675,005.34 is: 134,801,037.89
Step by Step Solution
- Step 1: Write the proportion equation
130,772,154.37 : 180,478,332.97 = 97,675,005.34 : x - Step 2: Convert to fraction form
130,772,154.37/180,478,332.97 = 97,675,005.34/x - Step 3: Cross multiply
130,772,154.37x = 180,478,332.97 × 97,675,005.34 - Step 4: Simplify right side
130,772,154.37x = 17,628,222,136,599,048 - Step 5: Solve for x
x = 17,628,222,136,599,048/130,772,154.37 - Step 6: Final answer
x = 134,801,037.89
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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.