Finding the Fourth Proportional to 149,534,904.70, 224,332,683.45 and 84,869,688.70
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Solution
The fourth proportional to 149,534,904.70, 224,332,683.45 and 84,869,688.70 is: 127,321,745.03
Step by Step Solution
- Step 1: Write the proportion equation
149,534,904.70 : 224,332,683.45 = 84,869,688.70 : x - Step 2: Convert to fraction form
149,534,904.70/224,332,683.45 = 84,869,688.70/x - Step 3: Cross multiply
149,534,904.70x = 224,332,683.45 × 84,869,688.70 - Step 4: Simplify right side
149,534,904.70x = 19,039,045,009,637,140 - Step 5: Solve for x
x = 19,039,045,009,637,140/149,534,904.70 - Step 6: Final answer
x = 127,321,745.03
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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.