Finding the Fourth Proportional to 161,640,231.30, 242,460,346.95 and 97,017,005.70
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Solution
The fourth proportional to 161,640,231.30, 242,460,346.95 and 97,017,005.70 is: 145,525,508.55
Step by Step Solution
- Step 1: Write the proportion equation
161,640,231.30 : 242,460,346.95 = 97,017,005.70 : x - Step 2: Convert to fraction form
161,640,231.30/242,460,346.95 = 97,017,005.70/x - Step 3: Cross multiply
161,640,231.30x = 242,460,346.95 × 97,017,005.70 - Step 4: Simplify right side
161,640,231.30x = 23,522,776,862,072,128 - Step 5: Solve for x
x = 23,522,776,862,072,128/161,640,231.30 - Step 6: Final answer
x = 145,525,508.55
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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.