Finding the Fourth Proportional to 126,388,719.14, 174,421,818.99 and 70,634,137.93
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Solution
The fourth proportional to 126,388,719.14, 174,421,818.99 and 70,634,137.93 is: 97,478,120.71
Step by Step Solution
- Step 1: Write the proportion equation
126,388,719.14 : 174,421,818.99 = 70,634,137.93 : x - Step 2: Convert to fraction form
126,388,719.14/174,421,818.99 = 70,634,137.93/x - Step 3: Cross multiply
126,388,719.14x = 174,421,818.99 × 70,634,137.93 - Step 4: Simplify right side
126,388,719.14x = 12,320,134,820,541,156 - Step 5: Solve for x
x = 12,320,134,820,541,156/126,388,719.14 - Step 6: Final answer
x = 97,478,120.71
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.