Finding the Fourth Proportional to 197,484,823.68, 272,425,733.36 and 122,107,056.16
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Solution
The fourth proportional to 197,484,823.68, 272,425,733.36 and 122,107,056.16 is: 168,443,851.55
Step by Step Solution
- Step 1: Write the proportion equation
197,484,823.68 : 272,425,733.36 = 122,107,056.16 : x - Step 2: Convert to fraction form
197,484,823.68/272,425,733.36 = 122,107,056.16/x - Step 3: Cross multiply
197,484,823.68x = 272,425,733.36 × 122,107,056.16 - Step 4: Simplify right side
197,484,823.68x = 33,265,104,322,442,908 - Step 5: Solve for x
x = 33,265,104,322,442,908/197,484,823.68 - Step 6: Final answer
x = 168,443,851.55
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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.