Finding the Fourth Proportional to 93,313,258.20, 139,969,887.30 and 84,243,331.80
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Solution
The fourth proportional to 93,313,258.20, 139,969,887.30 and 84,243,331.80 is: 126,364,997.70
Step by Step Solution
- Step 1: Write the proportion equation
93,313,258.20 : 139,969,887.30 = 84,243,331.80 : x - Step 2: Convert to fraction form
93,313,258.20/139,969,887.30 = 84,243,331.80/x - Step 3: Cross multiply
93,313,258.20x = 139,969,887.30 × 84,243,331.80 - Step 4: Simplify right side
93,313,258.20x = 11,791,529,657,822,506 - Step 5: Solve for x
x = 11,791,529,657,822,506/93,313,258.20 - Step 6: Final answer
x = 126,364,997.70
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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.