Finding the Fourth Proportional to 149,380,427.80, 224,070,641.70 and 123,871,259.80
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Solution
The fourth proportional to 149,380,427.80, 224,070,641.70 and 123,871,259.80 is: 185,806,889.70
Step by Step Solution
- Step 1: Write the proportion equation
149,380,427.80 : 224,070,641.70 = 123,871,259.80 : x - Step 2: Convert to fraction form
149,380,427.80/224,070,641.70 = 123,871,259.80/x - Step 3: Cross multiply
149,380,427.80x = 224,070,641.70 × 123,871,259.80 - Step 4: Simplify right side
149,380,427.80x = 27,755,912,671,573,412 - Step 5: Solve for x
x = 27,755,912,671,573,412/149,380,427.80 - Step 6: Final answer
x = 185,806,889.70
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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.