Finding the Fourth Proportional to 93,313,257.70, 139,969,886.55 and 84,243,331.30
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Solution
The fourth proportional to 93,313,257.70, 139,969,886.55 and 84,243,331.30 is: 126,364,996.95
Step by Step Solution
- Step 1: Write the proportion equation
93,313,257.70 : 139,969,886.55 = 84,243,331.30 : x - Step 2: Convert to fraction form
93,313,257.70/139,969,886.55 = 84,243,331.30/x - Step 3: Cross multiply
93,313,257.70x = 139,969,886.55 × 84,243,331.30 - Step 4: Simplify right side
93,313,257.70x = 11,791,529,524,655,064 - Step 5: Solve for x
x = 11,791,529,524,655,064/93,313,257.70 - Step 6: Final answer
x = 126,364,996.95
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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.