Finding the Fourth Proportional to 93,313,256.70, 139,969,885.05 and 84,243,330.30
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Solution
The fourth proportional to 93,313,256.70, 139,969,885.05 and 84,243,330.30 is: 126,364,995.45
Step by Step Solution
- Step 1: Write the proportion equation
93,313,256.70 : 139,969,885.05 = 84,243,330.30 : x - Step 2: Convert to fraction form
93,313,256.70/139,969,885.05 = 84,243,330.30/x - Step 3: Cross multiply
93,313,256.70x = 139,969,885.05 × 84,243,330.30 - Step 4: Simplify right side
93,313,256.70x = 11,791,529,258,320,182 - Step 5: Solve for x
x = 11,791,529,258,320,182/93,313,256.70 - Step 6: Final answer
x = 126,364,995.45
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1.5x scale
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.